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Zeitschrift

BMC Medical Research Methodology

BMC Medical Research Methodology 1/2018

Ausgabe 1/2018

Inhaltsverzeichnis ( 180 Artikel )

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Evaluating screening approaches for hepatocellular carcinoma in a cohort of HCV related cirrhosis patients from the Veteran’s Affairs Health Care System

Nabihah Tayob, Peter Richardson, Donna L. White, Xiaoying Yu, Jessica A. Davila, Fasiha Kanwal, Ziding Feng, Hashem B. El-Serag

01.12.2018 | Technical advance | Ausgabe 1/2018 Open Access

A systematic comparison of recurrent event models for application to composite endpoints

Ann-Kathrin Ozga, Meinhard Kieser, Geraldine Rauch

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Effects of pre-notification, invitation length, questionnaire length and reminder on participation rate: a quasi-randomised controlled trial

Marie Koitsalu, Martin Eklund, Jan Adolfsson, Henrik Grönberg, Yvonne Brandberg

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A comparison of estimators from self-controlled case series, case-crossover design, and sequence symmetry analysis for pharmacoepidemiological studies

Yoshinori Takeuchi, Tomohiro Shinozaki, Yutaka Matsuyama

01.12.2018 | Correspondence | Ausgabe 1/2018 Open Access

What kind of systematic review should I conduct? A proposed typology and guidance for systematic reviewers in the medical and health sciences

Zachary Munn, Cindy Stern, Edoardo Aromataris, Craig Lockwood, Zoe Jordan

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Structure formats of randomised controlled trial abstracts: a cross-sectional analysis of their current usage and association with methodology reporting

Fang Hua, Tanya Walsh, Anne-Marie Glenny, Helen Worthington

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Comparison of nuisance parameters in pediatric versus adult randomized trials: a meta-epidemiologic empirical evaluation

Ben Vandermeer, Ingeborg van der Tweel, Marijke C. Jansen-van der Weide, Stephanie S. Weinreich, Despina G. Contopoulos-Ioannidis, Dirk Bassler, Ricardo M. Fernandes, Lisa Askie, Haroon Saloojee, Paola Baiardi, Susan S. Ellenberg, Johanna H. van der Lee

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A multiple imputation method based on weighted quantile regression models for longitudinal censored biomarker data with missing values at early visits

MinJae Lee, Mohammad H. Rahbar, Matthew Brown, Lianne Gensler, Michael Weisman, Laura Diekman, John D. Reveille

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A systematic review of comparisons between protocols or registrations and full reports in primary biomedical research

Guowei Li, Luciana P. F. Abbade, Ikunna Nwosu, Yanling Jin, Alvin Leenus, Muhammad Maaz, Mei Wang, Meha Bhatt, Laura Zielinski, Nitika Sanger, Bianca Bantoto, Candice Luo, Ieta Shams, Hamnah Shahid, Yaping Chang, Guangwen Sun, Lawrence Mbuagbaw, Zainab Samaan, Mitchell A. H. Levine, Jonathan D. Adachi, Lehana Thabane

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Reporting of heterogeneity of treatment effect in cohort studies: a review of the literature

Meryl Dahan, Caroline Scemama, Raphael Porcher, David J. Biau

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Development and validation of self-reported line drawings of the modified Beighton score for the assessment of generalised joint hypermobility

Dale J. Cooper, Brigitte E. Scammell, Mark E. Batt, Debbie Palmer

01.12.2018 | Debate | Ausgabe 1/2018 Open Access

Getting messier with TIDieR: embracing context and complexity in intervention reporting

Sarah Cotterill, Sarah Knowles, Anne-Marie Martindale, Rebecca Elvey, Susan Howard, Nia Coupe, Paul Wilson, Michael Spence

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Does different information disclosure on placebo control affect blinding and trial outcomes? A case study of participant information leaflets of randomized placebo-controlled trials of acupuncture

Soyeon Cheon, Hi-Joon Park, Younbyoung Chae, Hyangsook Lee

01.12.2018 | Technical advance | Ausgabe 1/2018 Open Access

Assessing the effect of a partly unobserved, exogenous, binary time-dependent covariate on survival probabilities using generalised pseudo-values

Ulrike Pötschger, Harald Heinzl, Maria Grazia Valsecchi, Martina Mittlböck

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Studying medical communication with video vignettes: a randomized study on how variations in video-vignette introduction format and camera focus influence analogue patients’ engagement

Leonie N. C. Visser, Nadine Bol, Marij A. Hillen, Mathilde G. E. Verdam, Hanneke C. J. M. de Haes, Julia C. M. van Weert, Ellen M. A. Smets

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Defeat and entrapment: more than meets the eye? Applying network analysis to estimate dimensions of highly correlated constructs

Thomas Forkmann, Tobias Teismann, Jana-Sophie Stenzel, Heide Glaesmer, Derek de Beurs

01.12.2018 | Correction | Ausgabe 1/2018 Open Access

Correction to: On the use of the outcome variable “small for gestational age” when gestational age is a potential mediator: a maternal asthma perspective

Geneviève Lefebvre, Mariia Samoilenko

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Factor structure and psychometric properties of the english version of the trier inventory for chronic stress (TICS-E)

Katja Petrowski, Sören Kliem, Michael Sadler, Alicia E. Meuret, Thomas Ritz, Elmar Brähler

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Using an onset-anchored Bayesian hierarchical model to improve predictions for amyotrophic lateral sclerosis disease progression

Alex G. Karanevich, Jeffrey M. Statland, Byron J. Gajewski, Jianghua He

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Value of information methods to design a clinical trial in a small population to optimise a health economic utility function

Michael Pearce, Siew Wan Hee, Jason Madan, Martin Posch, Simon Day, Frank Miller, Sarah Zohar, Nigel Stallard

01.12.2018 | Correction | Ausgabe 1/2018 Open Access

Correction to: Multiple Score Comparison: a network meta-analysis approach to comparison and external validation of prognostic scores

Sarah R. Haile, Beniamino Guerra, Joan B. Soriano, Milo A. Puhan

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

The management of children with bronchiolitis in the Australasian hospital setting: development of a clinical practice guideline

Sharon O’Brien, Sally Wilson, Fenella J. Gill, Elizabeth Cotterell, Meredith L Borland, Edward Oakley, Stuart R Dalziel, on behalf of the Paediatric Research in Emergency Departments International Collaborative (PREDICT) network, Australasia

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Advantages of a multi-state approach in surgical research: how intermediate events and risk factor profile affect the prognosis of a patient with locally advanced rectal cancer

G. Manzini, T. J. Ettrich, M. Kremer, M. Kornmann, D. Henne-Bruns, D. A. Eikema, P. Schlattmann, L. C. de Wreede

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

DeepSurv: personalized treatment recommender system using a Cox proportional hazards deep neural network

Jared L. Katzman, Uri Shaham, Alexander Cloninger, Jonathan Bates, Tingting Jiang, Yuval Kluger

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Dealing with missing standard deviation and mean values in meta-analysis of continuous outcomes: a systematic review

Christopher J. Weir, Isabella Butcher, Valentina Assi, Stephanie C. Lewis, Gordon D. Murray, Peter Langhorne, Marian C. Brady

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Pragmatism in practice: lessons learned during screening and enrollment for a randomised controlled trial in rural northern Ethiopia

Meseret Molla, Henok Negussie, Moses Ngari, Esther Kivaya, Patricia Njuguna, Fikre Enqueselassie, James A. Berkley, Gail Davey

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

An application of restricted mean survival time in a competing risks setting: comparing time to ART initiation by injection drug use

Keri L. Calkins, Chelsea E. Canan, Richard D. Moore, Catherine R. Lesko, Bryan Lau

01.12.2018 | Study protocol | Ausgabe 1/2018 Open Access

Methodological and clinical implications of a three-in-one Russian doll design for tracking health trajectories and improving health and function through innovative exercise treatments in adults with disability

James H. Rimmer, Cassandra Herman, Brooks Wingo, Kevin Fontaine, Tapan Mehta

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Psychometric properties and population norms of the positive mental health instrument in a representative multi-ethnic Asian population

Janhavi Ajit Vaingankar, Mythily Subramaniam, Linda Wei Lin Tan, Edimansyah Abdin, Wei Yen Lim, Hwee Lin Wee, Siow Ann Chong, Rob Martinus van Dam

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Quality assessment of systematic reviews on total hip or knee arthroplasty using mod-AMSTAR

Xinyu Wu, Huan Sun, Xiaoqin Zhou, Ji Wang, Jing Li

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Using bundle embeddings to predict daily cortisol levels in human subjects

Roelof B. Toonen, Klaas J. Wardenaar, Elisabeth H. Bos, Sonja L. van Ockenburg, Peter de Jonge

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Sample size determination for mediation analysis of longitudinal data

Haitao Pan, Suyu Liu, Danmin Miao, Ying Yuan

01.12.2018 | Correction | Ausgabe 1/2018 Open Access

Correction to: joint models for longitudinal and time-to-event data: a review of reporting quality with a view to meta-analysis

Maria Sudell, Ruwanthi Kolamunnage-Dona, Catrin Tudur-Smith

01.12.2018 | Debate | Ausgabe 1/2018 Open Access

Writing a discussion section: how to integrate substantive and statistical expertise

Michael Höfler, John Venz, Sebastian Trautmann, Robert Miller

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Nature and reporting characteristics of UK health technology assessment systematic reviews

Christopher Carroll, Eva Kaltenthaler

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Colliding ideals – an interview study of how intervention researchers address adherence and adaptations in replication studies

Ulrica von Thiele Schwarz, Ulrika Förberg, Knut Sundell, Henna Hasson

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Comparison of methodological quality rating of systematic reviews on neuropathic pain using AMSTAR and R-AMSTAR

Svjetlana Dosenovic, Antonia Jelicic Kadic, Katarina Vucic, Nikolina Markovina, Dawid Pieper, Livia Puljak

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Measuring colorectal cancer incidence: the performance of an algorithm using administrative health data

Mamadou Diop, Erin C. Strumpf, Geetanjali D. Datta

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Validating the use of veterans affairs tobacco health factors for assessing change in smoking status: accuracy, availability, and approach

Anne C. Melzer, Erika A. Pinsker, Barbara Clothier, Siamak Noorbaloochi, Diana J. Burgess, Elisheva R. Danan, Steven S. Fu

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Informative graphing of continuous safety variables relative to normal reference limits

Christopher D. Breder

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Simulation-based power calculations for planning a two-stage individual participant data meta-analysis

Joie Ensor, Danielle L. Burke, Kym I. E. Snell, Karla Hemming, Richard D. Riley

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Influence of blinding on treatment effect size estimate in randomized controlled trials of oral health interventions

Humam Saltaji, Susan Armijo-Olivo, Greta G. Cummings, Maryam Amin, Bruno R. da Costa, Carlos Flores-Mir

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Validation of verbal autopsy methods using hospital medical records: a case study in Vietnam

Hong Thi Tran, Hoa Phuong Nguyen, Sue M. Walker, Peter S. Hill, Chalapati Rao

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Methods to systematically review and meta-analyse observational studies: a systematic scoping review of recommendations

Monika Mueller, Maddalena D’Addario, Matthias Egger, Myriam Cevallos, Olaf Dekkers, Catrina Mugglin, Pippa Scott

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

The appropriateness of Bland-Altman’s approximate confidence intervals for limits of agreement

Gwowen Shieh

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

List randomization for eliciting HIV status and sexual behaviors in rural KwaZulu-Natal, South Africa: a randomized experiment using known true values for validation

Noah Haber, Guy Harling, Jessica Cohen, Tinofa Mutevedzi, Frank Tanser, Dickman Gareta, Kobus Herbst, Deenan Pillay, Till Bärnighausen, Günther Fink

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A realist approach to eliciting the initial programme theory of the antiretroviral treatment adherence club intervention in the Western Cape Province, South Africa

Ferdinand C. Mukumbang, Bruno Marchal, Sara Van Belle, Brian van Wyk

01.12.2018 | Debate | Ausgabe 1/2018 Open Access

Analysis of randomised trials with long-term follow-up

Robert D. Herbert, Jessica Kasza, Kari Bø

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Bias due to censoring of deaths when calculating extra length of stay for patients acquiring a hospital infection

Shahina Rahman, Maja von Cube, Martin Schumacher, Martin Wolkewitz

01.12.2018 | Software | Ausgabe 1/2018 Open Access

joineRML: a joint model and software package for time-to-event and multivariate longitudinal outcomes

Graeme L. Hickey, Pete Philipson, Andrea Jorgensen, Ruwanthi Kolamunnage-Dona

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Rapid response in health technology assessment: a Delphi study for a Brazilian guideline

Marcus Tolentino Silva, Everton Nunes da Silva, Jorge Otávio Maia Barreto

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Effectiveness of motivational interviewing, health education and brief advice in a population of smokers who are not ready to quit

Majid Bani-Yaghoub, Abdellatif Elhomani, Delwyn Catley

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Cost-effectiveness of diagnostic and therapeutic interventions for chronic hepatitis C: a systematic review of model-based analyses

Rodolfo Castro, Louise Crathorne, Hugo Perazzo, Julio Silva, Chris Cooper, Jo Varley-Campbell, Daniel Savignon Marinho, Marcela Haasova, Valdilea G. Veloso, Rob Anderson, Chris Hyde

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Outlier classification performance of risk adjustment methods when profiling multiple providers

Timo B. Brakenhoff, Kit C. B. Roes, Karel G. M. Moons, Rolf H. H. Groenwold

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Factors associated with missed assessments in a 2-year longitudinal study of acute respiratory distress syndrome survivors

Sara E. Heins, Amy W. Wozniak, Elizabeth Colantuoni, Kristin A. Sepulveda, Pedro A. Mendez-Tellez, Cheryl Dennison-Himmelfarb, Dale M. Needham, Victor D. Dinglas

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

How is AMSTAR applied by authors – a call for better reporting

Dawid Pieper, Nadja Koensgen, Jessica Breuing, Long Ge, Uta Wegewitz

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Access to primary care for socio-economically disadvantaged older people in rural areas: exploring realist theory using structural equation modelling in a linked dataset

John A. Ford, Andy Jones, Geoff Wong, Allan Clark, Tom Porter, Nick Steel

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Modelling memory decay after injuries using household survey data from Khartoum State, Sudan

Ivar Heuch, Safa Abdalla, Sally El Tayeb

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Comparison of response rates on invitation mode of a web-based survey on influenza vaccine adverse events among healthcare workers: a pilot study

Xiaochen Tai, Alanna M. Smith, Allison J. McGeer, Eve Dubé, Dorothy Linn Holness, Kevin Katz, Linda McGillis Hall, Shelly A. McNeil, Jeff Powis, Brenda L. Coleman

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Modelling attrition and nonparticipation in a longitudinal study of prostate cancer

Samantha Spiers, Evrim Oral, Elizabeth T. H. Fontham, Edward S. Peters, James L. Mohler, Jeannette T. Bensen, Christine S. Brennan

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Instrumental variable analysis in the context of dichotomous outcome and exposure with a numerical experiment in pharmacoepidemiology

Babagnidé François Koladjo, Sylvie Escolano, Pascale Tubert-Bitter

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A preference-based item response theory model to measure health: concept and mathematics of the multi-attribute preference response model

Catharina G. M. Groothuis-Oudshoorn, Edwin R. van den Heuvel, Paul F. M. Krabbe

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Comparing performance between log-binomial and robust Poisson regression models for estimating risk ratios under model misspecification

Wansu Chen, Lei Qian, Jiaxiao Shi, Meredith Franklin

01.12.2018 | Debate | Ausgabe 1/2018 Open Access

Evaluation of surrogate measures of insulin sensitivity - correlation with gold standard is not enough

Anna Rudvik, Marianne Månsson

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Estimation of delay to diagnosis and incidence in HIV using indirect evidence of infection dates

Oliver T. Stirrup, David T. Dunn

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

The use of single armed observational data to closing the gap in otherwise disconnected evidence networks: a network meta-analysis in multiple myeloma

Susanne Schmitz, Áine Maguire, James Morris, Kai Ruggeri, Elisa Haller, Isla Kuhn, Joy Leahy, Natalia Homer, Ayesha Khan, Jack Bowden, Vanessa Buchanan, Michael O’Dwyer, Gordon Cook, Cathal Walsh

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Estimating causal effects of time-dependent exposures on a binary endpoint in a high-dimensional setting

Vahé Asvatourian, Clélia Coutzac, Nathalie Chaput, Caroline Robert, Stefan Michiels, Emilie Lanoy

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Community Assessment of COPD Health Care (COACH) study: a clinical audit on primary care performance variability in COPD care

María Abad-Arranz, Ana Moran-Rodríguez, Enrique Mascarós Balaguer, Carmen Quintana Velasco, Laura Abad Polo, Sara Núñez Palomo, Jaime Gonzálvez Rey, Ana María Fernández Vargas, Antonio Hidalgo Requena, Jose Manuel Helguera Quevedo, Marina García Pardo, Jose Luis Lopez-Campos, on behalf of the COACH study investigators

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Correction for retest effects across repeated measures of cognitive functioning: a longitudinal cohort study of postoperative delirium

Annie M. Racine, Yun Gou, Tamara G. Fong, Edward R. Marcantonio, Eva M. Schmitt, Thomas G. Travison, Sharon K. Inouye, Richard N. Jones

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Meta-analysis of binary outcomes via generalized linear mixed models: a simulation study

Ilyas Bakbergenuly, Elena Kulinskaya

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Animal experimental research design in critical care

Justin S. Merkow, Janine M. Hoerauf, Angela F. Moss, Jason Brainard, Lena M. Mayes, Ana Fernandez-Bustamante, Susan K. Mikulich-Gilbertson, Karsten Bartels

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Towards integrated surveillance of zoonoses: spatiotemporal joint modeling of rodent population data and human tularemia cases in Finland

C. Rotejanaprasert, A. Lawson, H. Rossow, J. Sane, O. Huitu, H. Henttonen, V. J. Del Rio Vilas

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Development and validation of a MEDLINE search filter/hedge for degenerative cervical myelopathy

Benjamin M. Davies, Samuel Goh, Keonwoo Yi, Isla Kuhn, Mark R. N. Kotter

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Reference effect measures for quantifying, comparing and visualizing variation from random and fixed effects in non-normal multilevel models, with applications to site variation in medical procedure use and outcomes

Thomas J. Glorioso, Gary K. Grunwald, P. Michael Ho, Thomas M. Maddox

01.12.2018 | Technical advance | Ausgabe 1/2018 Open Access

The “RCT augmentation”: a novel simulation method to add patient heterogeneity into phase III trials

Helene Karcher, Shuai Fu, Jie Meng, Mikkel Zöllner Ankarfeldt, Orestis Efthimiou, Mark Belger, Josep Maria Haro, Lucien Abenhaim, Clementine Nordon, on behalf of the GetReal Consortium Work Package 2

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

The importance of including aliases in data linkage with vulnerable populations

Holly Tibble, Hsei Di Law, Matthew J. Spittal, Rosemary Karmel, Rohan Borschmann, Katie Hail-Jares, Laura A. Thomas, Stuart A. Kinner

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Creation of a new clinical framework – why women choose mastectomy versus breast conserving therapy

Jeffrey Gu, Gary Groot

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Is recession bad for your mental health? The answer could be complex: evidence from the 2008 crisis in Spain

Joaquín Moncho, Pamela Pereyra-Zamora, Nayara Tamayo-Fonseca, Manuel Giron, Manuel Gómez-Beneyto, Andreu Nolasco

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Simulation shows undesirable results for competing risks analysis with time-dependent covariates for clinical outcomes

Inga Poguntke, Martin Schumacher, Jan Beyersmann, Martin Wolkewitz

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Self-reported measures in health research for people with intellectual disabilities: an inclusive pilot study on suitability and reliability

Kristel Vlot-van Anrooij, Hilde Tobi, Thessa I. M. Hilgenkamp, Geraline L. Leusink, Jenneken Naaldenberg

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Bonferroni-Holm and permutation tests to compare health data: methodological and applicative issues

Massimiliano Giacalone, Zirilli Agata, Paolo Carmelo Cozzucoli, Angela Alibrandi

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A dynamic Bayesian Markov model for health economic evaluations of interventions in infectious disease

Katrin Haeussler, Ardo van den Hout, Gianluca Baio

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Prediction models for clustered data with informative priors for the random effects: a simulation study

Haifang Ni, Rolf H. H. Groenwold, Mirjam Nielen, Irene Klugkist

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Self-selection in a population-based cohort study: impact on health service use and survival for bowel and lung cancer assessed using data linkage

Nicola Creighton, Stuart Purdie, Matthew Soeberg, Richard Walton, Deborah Baker, Jane Young

01.12.2018 | Debate | Ausgabe 1/2018 Open Access

Defining the process to literature searching in systematic reviews: a literature review of guidance and supporting studies

Chris Cooper, Andrew Booth, Jo Varley-Campbell, Nicky Britten, Ruth Garside

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

The effect of a voucher incentive on a survey response rate in the clinical setting: a quasi-randomized controlled trial

Dawid Pieper, Nina Kotte, Peggy Ober

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Multiple imputation for patient reported outcome measures in randomised controlled trials: advantages and disadvantages of imputing at the item, subscale or composite score level

Ines Rombach, Alastair M. Gray, Crispin Jenkinson, David W. Murray, Oliver Rivero-Arias

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

How can we get Iraq- and Afghanistan-deployed US Veterans to participate in health-related research? Findings from a national focus group study

Alyson J. Littman, Gala True, Emily Ashmore, Tracy Wellens, Nicholas L. Smith

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Does pattern mixture modelling reduce bias due to informative attrition compared to fitting a mixed effects model to the available cases or data imputed using multiple imputation?: a simulation study

Catherine A. Welch, Séverine Sabia, Eric Brunner, Mika Kivimäki, Martin J. Shipley

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Heckman imputation models for binary or continuous MNAR outcomes and MAR predictors

Jacques-Emmanuel Galimard, Sylvie Chevret, Emmanuel Curis, Matthieu Resche-Rigon

01.12.2018 | Debate | Ausgabe 1/2018 Open Access

Pure intervention effect or effect in routine health care - blinded or non-blinded randomized controlled trial

Antti Malmivaara

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Harmonization of delirium severity instruments: a comparison of the DRS-R-98, MDAS, and CAM-S using item response theory

Alden L. Gross, Doug Tommet, Madeline D’Aquila, Eva Schmitt, Edward R. Marcantonio, Benjamin Helfand, Sharon K. Inouye, Richard N. Jones, for the BASIL Study Group

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Estimation of an inter-rater intra-class correlation coefficient that overcomes common assumption violations in the assessment of health measurement scales

Carly A. Bobak, Paul J. Barr, A. James O’Malley

01.12.2018 | Study protocol | Ausgabe 1/2018 Open Access

The Ottawa SAH search algorithms: protocol for a multi- centre validation study of primary subarachnoid hemorrhage prediction models using health administrative data (the SAHepi prediction study protocol)

S. W. English, L. McIntyre, V. Saigle, M. Chassé, D. A. Fergusson, A. F. Turgeon, F. Lauzier, D. Griesdale, A. Garland, R. Zarychanski, A. Algird, C. van Walraven

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A randomized comparison of three data collection models for the measurement of parent experiences with diabetes outpatient care

Oyvind Bjertnaes, Hilde Hestad Iversen, Torild Skrivarhaug

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Quality of randomized controlled trials of new generation antidepressants and antipsychotics identified in the China National Knowledge Infrastructure (CNKI): a literature and telephone interview study

Zheng Tong, Fangzhou Li, Yusuke Ogawa, Norio Watanabe, Toshi A. Furukawa

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Primary versus secondary source of data in observational studies and heterogeneity in meta-analyses of drug effects: a survey of major medical journals

Guillermo Prada-Ramallal, Fatima Roque, Maria Teresa Herdeiro, Bahi Takkouche, Adolfo Figueiras

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Comparing survival functions with interval-censored data in the presence of an intermediate clinical event

Sohee Kim, Jinheum Kim, Chung Mo Nam

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A descriptive analysis of non-Cochrane child-relevant systematic reviews published in 2014

Michelle Gates, Sarah A Elliott, Cydney Johnson, Denise Thomson, Katrina Williams, Ricardo M Fernandes, Lisa Hartling

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Sense and sensibility: on the diagnostic value of control chart rules for detection of shifts in time series data

Jacob Anhøj, Tore Wentzel-Larsen

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Assessment of research waste part 2: wrong study populations- an exemplar of baseline vitamin D status of participants in trials of vitamin D supplementation

Mark J. Bolland, Andrew Grey, Alison Avenell

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A transdisciplinary team approach to scoping reviews: the case of pediatric polypharmacy

Paul M Bakaki, Jennifer Staley, Rujia Liu, Neal Dawson, Negar Golchin, Alexis Horace, Hannah Johnson, Jennifer Waldron, Almut Winterstein, Lawrence C Kleinman, Shari D Bolen

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Assessment of research waste part 1: an exemplar from examining study design, surrogate and clinical endpoints in studies of calcium intake and vitamin D supplementation

Mark J. Bolland, Alison Avenell, Andrew Grey

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Risks and rewards of using prepaid vs. postpaid incentive checks on a survey of physicians

Kristine Wiant, Emily Geisen, Darryl Creel, Gordon Willis, Andrew Freedman, Janet de Moor, Carrie Klabunde

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Appropriate statistical methods for analysing partially nested randomised controlled trials with continuous outcomes: a simulation study

Jane Candlish, M. Dawn Teare, Munyaradzi Dimairo, Laura Flight, Laura Mandefield, Stephen J. Walters

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Development and validation of a search filter to identify equity-focused studies: reducing the number needed to screen

Stephanie L Prady, Eleonora P Uphoff, Madeleine Power, Su Golder

01.12.2018 | Correction | Ausgabe 1/2018 Open Access

Correction to: multiple imputation for patient reported outcome measures in randomised controlled trials: advantages and disadvantages of imputing at the item, subscale or composite score level

Ines Rombach, Alastair M Gray, Crispin Jenkinson, David W Murray, Oliver Rivero-Arias

01.12.2018 | Software | Ausgabe 1/2018 Open Access

The Shiny Balancer - software and imbalance criteria for optimally balanced treatment allocation in small RCTs and cRCTs

Thomas Grischott

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Systematic review of the psychometric properties of instruments to measure sexual desire

Denisse Cartagena-Ramos, Miguel Fuentealba-Torres, Flávio Rebustini, Ana Carolina Andrade Biaggi Leite, Willyane de Andrade Alvarenga, Ricardo Alexandre Arcêncio, Rosana Aparecida Spadoti Dantas, Lucila Castanheira Nascimento

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A comparison of metrics and performance characteristics of different search strategies for article retrieval for a systematic review of the global epidemiology of kidney and urinary diseases

Boris Bikbov, Norberto Perico, Giuseppe Remuzzi, on behalf of the GBD Genitourinary Diseases Expert Group

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Can men be trusted in population-based surveys to report couples’ medical care for infertility?

Soraya Belgherbi, Elise de La Rochebrochard

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Odds ratios from logistic, geometric, Poisson, and negative binomial regression models

Christopher J. Sroka, Haikady N. Nagaraja

01.12.2018 | Technical advance | Ausgabe 1/2018 Open Access

A new approach for sample size calculation in cost-effectiveness studies based on value of information

Clément Bader, Sébastien Cossin, Aline Maillard, Antoine Bénard

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Engaging military couples in marital research: does requesting referrals from service members to recruit their spouses introduce sample bias?

Hope Seib McMaster, Valerie A. Stander, Christianna S. Williams, Kelly A. Woodall, Christopher A. O’Malley, Lauren M. Bauer, Evelyn P. Davila, for the Millennium Cohort Family Study Team

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A systematic survey shows that reporting and handling of missing outcome data in networks of interventions is poor

Loukia M. Spineli, Juan J. Yepes-Nuñez, Holger J. Schünemann

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Synthesising conceptual frameworks for patient and public involvement in research – a critical appraisal of a meta-narrative review

David Evans, Noreen Hopewell-Kelly, Michele Kok, Jo White

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Application of the dyadic data analysis in behavioral medicine research: marital satisfaction and anxiety in infertile couples

Saman Maroufizadeh, Mostafa Hosseini, Abbas Rahimi Foroushani, Reza Omani-Samani, Payam Amini

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Mediation analysis with a time-to-event outcome: a review of use and reporting in healthcare research

Lauren Lapointe-Shaw, Zachary Bouck, Nicholas A. Howell, Theis Lange, Ani Orchanian-Cheff, Peter C. Austin, Noah M. Ivers, Donald A. Redelmeier, Chaim M. Bell

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Application of a new dietary pattern analysis method in nutritional epidemiology

Fengqing Zhang, Tinashe M. Tapera, Jiangtao Gou

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Examiners’ influence on the measured active and passive extension deficit in finger joints affected by Dupuytren disease

Jesper Nordenskjöld, Stina Brodén, Isam Atroshi

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A systematic review of the clinical application of data-driven population segmentation analysis

Shi Yan, Yu Heng Kwan, Chuen Seng Tan, Julian Thumboo, Lian Leng Low

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Development and reliability assessment of a new quality appraisal tool for cross-sectional studies using biomarker data (BIOCROSS)

Jan Wirsching, Sophie Graßmann, Fabian Eichelmann, Laura Malin Harms, Matthew Schenk, Eva Barth, Alide Berndzen, Moses Olalekan, Leen Sarmini, Hedwig Zuberer, Krasimira Aleksandrova

01.12.2018 | Study protocol | Ausgabe 1/2018 Open Access

Exploring the impact of public health teams on alcohol premises licensing in England and Scotland (ExILEnS): procotol for a mixed methods natural experiment evaluation

Niamh Fitzgerald, Matt Egan, Frank de Vocht, Colin Angus, James Nicholls, Niamh Shortt, Tim Nichols, Nason Maani Hessari, Cheryl McQuire, Richard Purves, Nathan Critchlow, Andrea Mohan, Laura Mahon, Colin Sumpter, Linda Bauld

01.12.2018 | Study protocol | Ausgabe 1/2018 Open Access

Barriers in general practitioners’ dementia diagnostics among people with a migration background in Germany (BaDeMi) - study protocol for a cross-sectional survey

Judith Tillmann, Rieke Schnakenberg, Marie-Therese Puth, Klaus Weckbecker, Johannes Just, Eva Münster

01.12.2018 | Study protocol | Ausgabe 1/2018 Open Access

Human papillomavirus infection: protocol for a randomised controlled trial of imiquimod cream (5%) versus podophyllotoxin cream (0.15%), in combination with quadrivalent human papillomavirus or control vaccination in the treatment and prevention of recurrence of anogenital warts (HIPvac trial)

Macey L. Murray, Jade Meadows, Caroline J. Doré, Andrew J. Copas, Lewis J. Haddow, Charles Lacey, Mark Jit, Kate Soldan, Kate Bennett, Michelle Tetlow, Mayura Nathan, Richard Gilson

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Putting family into family-based obesity prevention: enhancing participant engagement through a novel integrated knowledge translation strategy

Kathryn Walton, Tory Ambrose, Angela Annis, David WL. Ma, Jess Haines, Guelph Family Health Study Family Advisory Council; on behalf of the Guelph Family Health Study

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Subgroups of lifestyle patterns among hypertension patients: a latent-class analysis

Jalileh Ghanbari, Asghar Mohammadpoorasl, Leila Jahangiry, Mahdieh Abbasalizad Farhangi, Jamileh Amirzadeh, Koen Ponnet

01.12.2018 | Technical advance | Ausgabe 1/2018 Open Access

Hypothesis testing in Bayesian network meta-analysis

Lorenz Uhlmann, Katrin Jensen, Meinhard Kieser

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Multistate recursively imputed survival trees for time-to-event data analysis: an application to AIDS and mortality post-HIV infection data

Leili Tapak, Michael R. Kosorok, Majid Sadeghifar, Omid Hamidi

01.12.2018 | Debate | Ausgabe 1/2018 Open Access

Bubble effect: including internet search engines in systematic reviews introduces selection bias and impedes scientific reproducibility

Marko Ćurković, Andro Košec

01.12.2018 | Debate | Ausgabe 1/2018 Open Access

Are we on the cusp of a fourth research paradigm? Predicting the future for a new approach to methods-use in medical and health services research

Frances Rapport, Jeffrey Braithwaite

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Methodological development of tools to measure how women are treated during facility-based childbirth in four countries: labor observation and community survey

Meghan A. Bohren, Joshua P. Vogel, Bukola Fawole, Ernest T. Maya, Thae Maung Maung, Mamadou Diouldé Baldé, Agnes A. Oyeniran, Modupe Ogunlade, Kwame Adu-Bonsaffoh, Nwe Oo Mon, Boubacar Alpha Diallo, Abou Bangoura, Richard Adanu, Sihem Landoulsi, A. Metin Gülmezoglu, Özge Tunçalp

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Improving the normalization of complex interventions: part 1 - development of the NoMAD instrument for assessing implementation work based on normalization process theory (NPT)

Tim Rapley, Melissa Girling, Frances S. Mair, Elizabeth Murray, Shaun Treweek, Elaine McColl, Ian Nicholas Steen, Carl R. May, Tracy L. Finch

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Development of standard clinical endpoints for use in dengue interventional trials: introduction and methodology

Thomas Jaenisch, Kim Hendrickx, Martin Erpicum, Liane Agulto, Kay M. Tomashek, Walla Dempsey, João Bosco Siqueira, Morgan A. Marks, Michael P. Fay, Catherine Laughlin, Maina L’Azou, Yee-Sin Leo, Federico Narvaez, Remy Teyssou, Stephen J. Thomas, Hasitha Tissera, Derek Wallace, Annelies Wilder-Smith, Duane J. Gubler, M. Cristina Cassetti

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Improving the normalization of complex interventions: part 2 - validation of the NoMAD instrument for assessing implementation work based on normalization process theory (NPT)

Tracy L. Finch, Melissa Girling, Carl R. May, Frances S. Mair, Elizabeth Murray, Shaun Treweek, Elaine McColl, Ian Nicholas Steen, Clare Cook, Christopher R. Vernazza, Nicola Mackintosh, Samridh Sharma, Gaery Barbery, Jimmy Steele, Tim Rapley

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

The impact of status and social context on health service co-design: an example from a collaborative improvement initiative in UK primary care

Ian Litchfield, Louise Bentham, Ann Hill, Richard J. McManus, Richard Lilford, Sheila Greenfield

01.12.2018 | Debate | Ausgabe 1/2018 Open Access

CDSS-RM: a clinical decision support system reference model

Dimitrios Zikos, Nailya DeLellis

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Joint modeling of multivariate longitudinal data and survival data in several observational studies of Huntington’s disease

Jeffrey D. Long, James A. Mills

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Assessing the effect of risk factors on rates of obstetric transfusion over time using two methodological approaches

Edward Jegasothy, Jillian Patterson, Deborah Randall, Tanya A. Nippita, Judy M. Simpson, David O. Irving, Jane B. Ford

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A qualitative approach to guide choices for designing a diary study

Karin A. M. Janssens, Elisabeth H. Bos, Judith G. M. Rosmalen, Marieke C. Wichers, Harriëtte Riese

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Reliability in evaluator-based tests: using simulation-constructed models to determine contextually relevant agreement thresholds

Dylan T. Beckler, Zachary C. Thumser, Jonathon S. Schofield, Paul D. Marasco

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Parametric assumptions equate to hidden observations: comparing the efficiency of nonparametric and parametric models for estimating time to AIDS or death in a cohort of HIV-positive women

Jacqueline E. Rudolph, Stephen R. Cole, Jessie K. Edwards

01.12.2018 | Debate | Ausgabe 1/2018 Open Access

Systematic review or scoping review? Guidance for authors when choosing between a systematic or scoping review approach

Zachary Munn, Micah D. J. Peters, Cindy Stern, Catalin Tufanaru, Alexa McArthur, Edoardo Aromataris

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Retinal vascular tortuosity assessment: inter-intra expert analysis and correlation with computational measurements

Lucía Ramos, Jorge Novo, José Rouco, Stephanie Romeo, María D. Álvarez, Marcos Ortega

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Prognostic models for intracerebral hemorrhage: systematic review and meta-analysis

Tiago Gregório, Sara Pipa, Pedro Cavaleiro, Gabriel Atanásio, Inês Albuquerque, Paulo Castro Chaves, Luís Azevedo

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

The challenges of recruiting cancer patient/caregiver dyads: informing randomized controlled trials

Leila Heckel, Kate M. Gunn, Patricia M. Livingston

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

The patient experience with treatment and self-management (PETS) questionnaire: translation and cultural adaption of the Norwegian version

Anne Marie Lunde Husebø, Ingvild Margreta Morken, Kristina Sundt Eriksen, Oda Karin Nordfonn

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Characterising and justifying sample size sufficiency in interview-based studies: systematic analysis of qualitative health research over a 15-year period

Konstantina Vasileiou, Julie Barnett, Susan Thorpe, Terry Young

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Which ICD-9-CM codes should be used for bronchiolitis research?

Paul Walsh, Stephen J. Rothenberg

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Variable participation of knowledge users in cancer health services research: results of a multiple case study

Mary Ann O’Brien, Andrea Carson, Lisa Barbera, Melissa C. Brouwers, Craig C. Earle, Ian D. Graham, Nicole Mittmann, Eva Grunfeld

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Retention strategies in longitudinal cohort studies: a systematic review and meta-analysis

Samantha Teague, George J. Youssef, Jacqui A. Macdonald, Emma Sciberras, Adrian Shatte, Matthew Fuller-Tyszkiewicz, Chris Greenwood, Jennifer McIntosh, Craig A. Olsson, Delyse Hutchinson, the SEED Lifecourse Sciences Theme

01.12.2018 | Technical advance | Ausgabe 1/2018 Open Access

Using the Beta distribution in group-based trajectory models

Jonathan Elmer, Bobby L. Jones, Daniel S. Nagin

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Periodic reflections: a method of guided discussions for documenting implementation phenomena

Erin P. Finley, Alexis K. Huynh, Melissa M. Farmer, Bevanne Bean-Mayberry, Tannaz Moin, Sabine M. Oishi, Jessica L. Moreau, Karen E. Dyer, Holly Jordan Lanham, Luci Leykum, Alison B. Hamilton

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Exploring reporting quality of systematic reviews and Meta-analyses on nursing interventions in patients with Alzheimer’s disease before and after PRISMA introduction

Xiao Sun, Xiaobin Zhou, Yan Yu, Haihua Liu

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

The interaction of personal, contextual, and study characteristics and their effect on recruitment and participation of pregnant women in research: a qualitative study in Lebanon

Jennifer J. Ayoub, May Abiad, Michele R. Forman, Gladys Honein-AbouHaidar, Farah Naja, MINA Collaborators

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Sample size calculation in multi-centre clinical trials

Markus Harden, Tim Friede

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Improving the quality of reporting of systematic reviews of dose-response meta-analyses: a cross-sectional survey

Chang Xu, Tong-Zu Liu, Peng-Li Jia, Yu Liu, Ling Li, Liang-Liang Cheng, Xin Sun

01.12.2018 | Study protocol | Ausgabe 1/2018 Open Access

Protocol for the development of a core outcome set for pelvic girdle pain, including methods for measuring the outcomes: the PGP-COS study

Francesca Wuytack, Annelie Gutke, Britt Stuge, Siv Mørkved, Christina Olsson, Hilde Stendal Robinson, Nina K. Vøllestad, Birgitta Öberg, Lena Nilsson Wikmar, Juan Jose Saldaña Mena, Valerie Smith

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Lasso regularization for left-censored Gaussian outcome and high-dimensional predictors

Perrine Soret, Marta Avalos, Linda Wittkop, Daniel Commenges, Rodolphe Thiébaut

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Methods for evaluating adverse drug event preventability in emergency department patients

Stephanie A. Woo, Amber Cragg, Maeve E. Wickham, David Peddie, Ellen Balka, Frank Scheuermeyer, Diane Villanyi, Corinne M. Hohl

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Quantity and quality of nucleic acids extracted from archival formalin fixed paraffin embedded prostate biopsies

Jessica Carlsson, Sabina Davidsson, Jonna Fridfeldt, Francesca Giunchi, Valentina Fiano, Chiara Grasso, Renata Zelic, Lorenzo Richiardi, Ove Andrén, Andreas Pettersson, Michelangelo Fiorentino, Olof Akre

01.12.2018 | Study protocol | Ausgabe 1/2018 Open Access

Methods for trustworthy nutritional recommendations NutriRECS (Nutritional Recommendations and accessible Evidence summaries Composed of Systematic reviews): a protocol

Bradley C. Johnston, Pablo Alonso-Coello, Malgorzata M. Bala, Dena Zeraatkar, Montserrat Rabassa, Claudia Valli, Catherine Marshall, Regina El Dib, Robin W. M. Vernooij, Per O. Vandvik, Gordon H. Guyatt

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Determinants of the willingness to participate in biobanking among Malaysian stakeholders in the Klang Valley

Latifah Amin, Hasrizul Hashim, Zurina Mahadi, Khaidzir Ismail

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Norm values and psychometric properties of the brief symptom inventory-18 regarding individuals between the ages of 60 and 95

Katja Petrowski, Bjarne Schmalbach, Melanie Jagla, Gabriele Helga Franke, Elmar Brähler

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Impact of linkage quality on inferences drawn from analyses using data with high rates of linkage errors in rural Tanzania

Christopher T. Rentsch, Katie Harron, Mark Urassa, Jim Todd, Georges Reniers, Basia Zaba

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Use of predicted vital status to improve survival analysis of multidrug-resistant tuberculosis cohorts

Meredith B. Brooks, Salmaan Keshavjee, Irina Gelmanova, Nataliya A. Zemlyanaya, Carole D. Mitnick, Justin Manjourides

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Participatory action research, mixed methods, and research teams: learning from philosophically juxtaposed methodologies for optimal research outcomes

Marguerite C. Sendall, Laura K. McCosker, Alison Brodie, Melissa Hill, Phil Crane

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A comparison of multiple imputation methods for missing data in longitudinal studies

Md Hamidul Huque, John B. Carlin, Julie A. Simpson, Katherine J. Lee

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Discrepancies in endpoints between clinical trial protocols and clinical trial registration in randomized trials in oncology

Victoria J. Serpas, Kanwal P. Raghav, Daniel M. Halperin, James Yao, Michael J. Overman

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Analysis of self-report and biochemically verified tobacco abstinence outcomes with missing data: a sensitivity analysis using two-stage imputation

Yiwen Zhang, Xianghua Luo, Chap T. Le, Jasjit S. Ahluwalia, Janet L. Thomas

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Study filters for non-randomized studies of interventions consistently lacked sensitivity upon external validation

Elke Hausner, Maria-Inti Metzendorf, Bernd Richter, Fabian Lotz, Siw Waffenschmidt

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

A nonparametric Bayesian continual reassessment method in single-agent dose-finding studies

Niansheng Tang, Songjian Wang, Gen Ye

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Strategies and challenges associated with recruiting retirement village communities and residents into a group exercise intervention

Rachel L. Duckham, Jamie L. Tait, Caryl A. Nowson, Kerrie M. Sanders, Dennis R. Taaffe, Keith D. Hill, Robin M. Daly

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Adjustment for unmeasured confounding through informative priors for the confounder-outcome relation

Rolf H. H. Groenwold, Inbal Shofty, Milica Miočević, Maarten van Smeden, Irene Klugkist

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Evaluation of the quality and value of data sources for postmarket surveillance of the safety of cough and cold medications in children

Jody L. Green, Kate M. Reynolds, William Banner, G. Randall Bond, Ralph E. Kauffman, Robert B. Palmer, Ian M. Paul, Richard C. Dart

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Validity of the International Physical Activity Questionnaire (IPAQ) for assessing moderate-to-vigorous physical activity and sedentary behaviour of older adults in the United Kingdom

Claire Cleland, Sara Ferguson, Geraint Ellis, Ruth F. Hunter

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Factors associated with retention in a smoking cessation trial for persons with a mental illness: a descriptive study

Alexandra P. Metse, Nur Ashikin Noor Hizam, John Wiggers, Paula Wye, Jenny A. Bowman

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Mechanisms, contexts and points of contention: operationalizing realist-informed research for complex health interventions

James Shaw, Carolyn Steele Gray, G. Ross Baker, Jean-Louis Denis, Mylaine Breton, Jennifer Gutberg, Gaya Embuldeniya, Peter Carswell, Annette Dunham, Ann McKillop, Timothy Kenealy, Nicolette Sheridan, Walter Wodchis

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

Machine learning methodologies versus cardiovascular risk scores, in predicting disease risk

Alexandros C. Dimopoulos, Mara Nikolaidou, Francisco Félix Caballero, Worrawat Engchuan, Albert Sanchez-Niubo, Holger Arndt, José Luis Ayuso-Mateos, Josep Maria Haro, Somnath Chatterji, Ekavi N. Georgousopoulou, Christos Pitsavos, Demosthenes B. Panagiotakos

01.12.2018 | Research article | Ausgabe 1/2018 Open Access

The generation of consensus guidelines for carrying out process evaluations in rehabilitation research

P. Masterson-Algar, C. R. Burton, J. Rycroft-Malone

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