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Zeitschrift

BMC Medical Research Methodology

BMC Medical Research Methodology 1/2019

Ausgabe 1/2019

Inhaltsverzeichnis ( 176 Artikel )

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Use of saliva to monitor meningococcal vaccine responses: proposing a threshold in saliva as surrogate of protection

Mariëtte B. van Ravenhorst, Fiona R. M. van der Klis, Debbie M. van Rooijen, Elisabeth A. M. Sanders, Guy A. M. Berbers

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Tests of trend between disease outcomes and ordinal covariates discretized from underlying continuous variables: simulation studies and applications to NHANES 2007–2008

Naomi C. Brownstein, Jianwen Cai

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Evidence-based sizing of non-inferiority trials using decision models

Iris Lansdorp-Vogelaar, Reshma Jagsi, Jinani Jayasekera, Natasha K. Stout, Sandra A. Mitchell, Eric J. Feuer

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

A scoping review of the problems and solutions associated with contamination in trials of complex interventions in mental health

Nicholas Magill, Ruth Knight, Paul McCrone, Khalida Ismail, Sabine Landau

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Population-based assessment of health, healthcare utilisation, and specific needs of Syrian migrants in Germany: what is the best sampling method?

Tobias Weinmann, Amal AlZahmi, Andreas Schneck, Julian Felipe Mancera Charry, Günter Fröschl, Katja Radon

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Providing quality data in health care - almost perfect inter-rater agreement in the Norwegian tonsil surgery register

Siri Wennberg, Lasse A. Karlsen, Joacim Stalfors, Mette Bratt, Vegard Bugten

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The power of the group: comparison of interviews and group concept mapping for identifying patient-important outcomes of care

Kristin L. Rising, Marianna LaNoue, Alexzandra T. Gentsch, Amanda M. B. Doty, Amy Cunningham, Brendan G. Carr, Judd E. Hollander, Lori Latimer, Larry Loebell, Gail Weingarten, Neva White, Geoffrey Mills

01.12.2019 | Debate | Ausgabe 1/2019 Open Access

Self-reported and routinely collected electronic healthcare resource-use data for trial-based economic evaluations: the current state of play in England and considerations for the future

Matthew Franklin, Joanna Thorn

01.12.2019 | Technical advance | Ausgabe 1/2019 Open Access

Methods of sample size calculation in descriptive retrospective burden of illness studies

Karissa M. Johnston, Pardis Lakzadeh, Bonnie M. K. Donato, Shelagh M. Szabo

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

An application of a pattern-mixture model with multiple imputation for the analysis of longitudinal trials with protocol deviations

Abdul-Karim Iddrisu, Freedom Gumedze

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Modelling reassurances of clinicians with hidden Markov models

Valentin Popov, Alesha Ellis-Robinson, Gerald Humphris

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The current use of feasibility studies in the assessment of feasibility for stepped-wedge cluster randomised trials: a systematic review

Caroline A. Kristunas, Karla Hemming, Helen Eborall, Sandra Eldridge, Laura J. Gray

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

A semi-parametric mixed models for longitudinally measured fasting blood sugar level of adult diabetic patients

Tafere Tilahun Aniley, Legesse Kassa Debusho, Zelalem Mehari Nigusie, Wondwosen Kassahun Yimer, Belay Birlie Yimer

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Multiple imputation methods for handling missing values in a longitudinal categorical variable with restrictions on transitions over time: a simulation study

Anurika Priyanjali De Silva, Margarita Moreno-Betancur, Alysha Madhu De Livera, Katherine Jane Lee, Julie Anne Simpson

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Reliability of patient-reported complications following hip or knee arthroplasty procedures

Sung Mu Heo, Justine M. Naylor, Ian A. Harris, Timothy R. Churches

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Likelihood-based random-effects meta-analysis with few studies: empirical and simulation studies

Svenja E. Seide, Christian Röver, Tim Friede

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The triple variable index combines information generated over time from common monitoring variables to identify patients expressing distinct patterns of intraoperative physiology

Michael P. Schnetz, Harry S. Hochheiser, David J. Danks, Douglas P. Landsittel, Keith M. Vogt, James W. Ibinson, Steven L. Whitehurst, Sean P. McDermott, Melissa Giraldo Duque, Ata M. Kaynar

01.12.2019 | Technical advance | Ausgabe 1/2019 Open Access

How to design a dose-finding study using the continual reassessment method

Graham M. Wheeler, Adrian P. Mander, Alun Bedding, Kristian Brock, Victoria Cornelius, Andrew P. Grieve, Thomas Jaki, Sharon B. Love, Lang’o Odondi, Christopher J. Weir, Christina Yap, Simon J. Bond

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Comparison of logistic-regression based methods for simple mediation analysis with a dichotomous outcome variable

Judith J. M. Rijnhart, Jos W. R. Twisk, Iris Eekhout, Martijn W. Heymans

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Migraine day frequency in migraine prevention: longitudinal modelling approaches

Gian Luca Di Tanna, Joshua K. Porter, Richard B. Lipton, Alan Brennan, Stephen Palmer, Anthony J. Hatswell, Sandhya Sapra, Guillermo Villa

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Psychometric properties of the Chinese version of the spiritual care-giving scale (C-SCGS) in nursing practice

Yanli Hu, Lay Hwa Tiew, Fan Li

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Re-formulating Gehan’s design as a flexible two-stage single-arm trial

Michael J. Grayling, Adrian P. Mander

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Estimating the loss of lifetime function using flexible parametric relative survival models

Lasse H. Jakobsen, Therese M.-L. Andersson, Jorne L. Biccler, Tarec C. El-Galaly, Martin Bøgsted

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Does the provision of a DVD-based audio-visual presentation improve recruitment in a clinical trial? A randomised trial of DVD trial invitations

Amy Rogers, Robert W. V. Flynn, Isla S. Mackenzie, Thomas M. MacDonald

01.12.2019 | Research | Ausgabe 1/2019 Open Access

Improving reporting of meta-ethnography: the eMERGe reporting guidance

Emma F. France, Maggie Cunningham, Nicola Ring, Isabelle Uny, Edward A. S. Duncan, Ruth G. Jepson, Margaret Maxwell, Rachel J. Roberts, Ruth L. Turley, Andrew Booth, Nicky Britten, Kate Flemming, Ian Gallagher, Ruth Garside, Karin Hannes, Simon Lewin, George W. Noblit, Catherine Pope, James Thomas, Meredith Vanstone, Gina M. A. Higginbottom, Jane Noyes

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Purposive sampling in a qualitative evidence synthesis: a worked example from a synthesis on parental perceptions of vaccination communication

Heather Ames, Claire Glenton, Simon Lewin

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Challenges and benefits of integrating diverse sampling strategies in the observation of cardiovascular risk factors (ORISCAV-LUX 2) study

Ala’a Alkerwi, Jessica Pastore, Nicolas Sauvageot, Gwenaëlle Le Coroller, Valéry Bocquet, Marylène d’Incau, Gloria Aguayo, Brice Appenzeller, Dritan Bejko, Torsten Bohn, Laurent Malisoux, Sophie Couffignal, Stephanie Noppe, Charles Delagardelle, Jean Beissel, Anna Chioti, Saverio Stranges, Jean-Claude Schmit

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Spurious interaction as a result of categorization

Magne Thoresen

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Concurrent validity of the Fitbit for assessing sedentary behavior and moderate-to-vigorous physical activity

Nicklaus Redenius, Youngwon Kim, Wonwoo Byun

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Chronic Headache Education and Self-management Study (CHESS) – a mixed method feasibility study to inform the design of a randomised controlled trial

Kimberley White, Rachel Potter, Shilpa Patel, Vivien P. Nichols, Kirstie L. Haywood, Siew Wan Hee, Dipesh Mistry, Dawn Carnes, Stephanie J. C. Taylor, Martin Underwood, Manjit S. Matharu, on behalf of the CHESS team

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Dynamic prediction of repeated events data based on landmarking model: application to colorectal liver metastases data

Isao Yokota, Yutaka Matsuyama

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Assessment of reporting quality of abstracts of systematic reviews with meta-analysis using PRISMA-A and discordance in assessments between raters without prior experience

Katarina Maticic, Marina Krnic Martinic, Livia Puljak

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Efficient two-step multivariate random effects meta-analysis of individual participant data for longitudinal clinical trials using mixed effects models

Hisashi Noma, Kazushi Maruo, Masahiko Gosho, Stephen Z. Levine, Yair Goldberg, Stefan Leucht, Toshi A. Furukawa

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

A co-produced method to involve service users in research: the SUCCESS model

Bridie Angela Evans, Alison Porter, Helen Snooks, Vanessa Burholt

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

A methodological systematic review of meta-ethnography conduct to articulate the complex analytical phases

Emma F. France, Isabelle Uny, Nicola Ring, Ruth L. Turley, Margaret Maxwell, Edward A. S. Duncan, Ruth G. Jepson, Rachel J. Roberts, Jane Noyes

01.12.2019 | Technical advance | Ausgabe 1/2019 Open Access

A comparison of the polytomous Rasch analysis output of RUMM2030 and R (ltm/eRm/TAM/lordif)

Michael Robinson, Andrew M. Johnson, David M. Walton, Joy C. MacDermid

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Aims, design and preliminary findings of the Hellenic National Nutrition and Health Survey (HNNHS)

Emmanuella Magriplis, Ioannis Dimakopoulos, Dimitra Karageorgou, Anastasia-Vasiliki Mitsopoulou, Ioanna Bakogianni, Renata Micha, George Michas, Triantafyllia Ntouroupi, Sophia-Maria Tsaniklidou, Kostantina Argyri, George Danezis, Constantinos Georgiou, Demosthenes B. Panagiotakos, Antonis Zampelas, HNNHS Contributors, HNNHS Advisory Committee

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The key therapeutic factors needed to deliver behavioural change interventions to decrease risky substance use (drug and alcohol) for looked after children and care leavers: a qualitative exploration with young people, carers and front line workers

Hayley Alderson, Rebecca Brown, Alex Copello, Eileen Kaner, Gillian Tober, Raghu Lingam, Ruth McGovern

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Strategies for recruitment and retention of underrepresented populations with chronic obstructive pulmonary disease for a clinical trial

Beatrice Huang, Denise De Vore, Chris Chirinos, Jessica Wolf, Devon Low, Rachel Willard-Grace, Stephanie Tsao, Chris Garvey, Doranne Donesky, George Su, David H. Thom

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The Chinese version of attitudes towards guidelines scale: validity and reliability assessment

Wen Yan, Qian Chen, Xuemei Zhang, Marko Elovainio, Yan Huang

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Barriers and recruitment strategies for precarious status migrants in Montreal, Canada

Margaux Fête, Josephine Aho, Magalie Benoit, Patrick Cloos, Valéry Ridde

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Patient perspectives on use of electronic health records for research recruitment

Laura M. Beskow, Kathleen M. Brelsford, Catherine M. Hammack

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Comparison of psychometric properties between recall methods of interview-based physical activity questionnaires: a systematic review

Kenji Doma, Renée Speyer, Lauren Alese Parsons, Reinie Cordier

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Performance of the WHOQOL-BREF among Norwegian substance use disorder patients

Ashley Elizabeth Muller, Svetlana Skurtveit, Thomas Clausen

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Evaluating the effectiveness, efficiency, cost and value of contacting study authors in a systematic review: a case study and worked example

Chris Cooper, Juan Talens Bou, Jo Varley-Campbell

01.12.2019 | Review | Ausgabe 1/2019 Open Access

A review of spline function procedures in R

Aris Perperoglou, Willi Sauerbrei, Michal Abrahamowicz, Matthias Schmid

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Assessing correlates of protection in vaccine trials: statistical solutions in the context of high vaccine efficacy

Andrea Callegaro, Fabian Tibaldi

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Tools used to assess the quality of peer review reports: a methodological systematic review

Cecilia Superchi, José Antonio González, Ivan Solà, Erik Cobo, Darko Hren, Isabelle Boutron

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Additive-multiplicative hazards regression models for interval-censored semi-competing risks data with missing intermediate events

Jinheum Kim, Jayoun Kim, Seong W. Kim

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Comparison of methods for early-readmission prediction in a high-dimensional heterogeneous covariates and time-to-event outcome framework

Simon Bussy, Raphaël Veil, Vincent Looten, Anita Burgun, Stéphane Gaïffas, Agathe Guilloux, Brigitte Ranque, Anne-Sophie Jannot

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Sample size calculation for estimating key epidemiological parameters using serological data and mathematical modelling

Stéphanie Blaizot, Sereina A. Herzog, Steven Abrams, Heidi Theeten, Amber Litzroth, Niel Hens

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Validation of the global activity limitation indicator in Taiwan

Ru-Ling Hsiao, Chih-Hsun Wu, Che-Wei Hsu, Yasuhiko Saito, Yu-Hsuan Lin

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Bias in pharmacoepidemiologic studies using secondary health care databases: a scoping review

Guillermo Prada-Ramallal, Bahi Takkouche, Adolfo Figueiras

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Sample size calculations for model validation in linear regression analysis

Show-Li Jan, Gwowen Shieh

01.12.2019 | Debate | Ausgabe 1/2019 Open Access

Advancing complexity science in healthcare research: the logic of logic models

Thomas Mills, Rebecca Lawton, Laura Sheard

01.12.2019 | Technical advance | Ausgabe 1/2019 Open Access

A Bayesian hierarchical logistic regression model of multiple informant family health histories

Jielu Lin, Melanie F. Myers, Laura M. Koehly, Christopher Steven Marcum

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

A descriptive analysis of the characteristics and the peer review process of systematic review protocols published in an open peer review journal from 2012 to 2017

Tanja Rombey, Katharina Allers, Tim Mathes, Falk Hoffmann, Dawid Pieper

01.12.2019 | Correction | Ausgabe 1/2019 Open Access

Correction to: 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

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Implementation fidelity in a complex intervention promoting psychosocial well-being following stroke: an explanatory sequential mixed methods study

Line Kildal Bragstad, Berit Arnesveen Bronken, Unni Sveen, Ellen Gabrielsen Hjelle, Gabriele Kitzmüller, Randi Martinsen, Kari J. Kvigne, Margrete Mangset, Marit Kirkevold

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The influence of interviewers on survey responses among female sex workers in Zambia

Guy Harling, Michael M. Chanda, Katrina F. Ortblad, Magdalene Mwale, Steven Chongo, Catherine Kanchele, Nyambe Kamungoma, Leah G. Barresi, Till Bärnighausen, Catherine E. Oldenburg

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Two new approaches for the visualisation of models for network meta-analysis

Martin Law, Navid Alam, Areti Angeliki Veroniki, Yi Yu, Dan Jackson

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Adaptation and psychometric properties of the Norwegian version of the heart continuity of care questionnaire (HCCQ)

Irene Valaker, Bengt Fridlund, Tore Wentzel-Larsen, Heather Hadjistavropoulos, Jan Erik Nordrehaug, Svein Rotevatn, Maj-Britt Råholm, Tone M. Norekvål, On behalf of the CONCARD Investigators

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Assessing the maturity of the healthcare system for integrated care: testing measurement properties of the SCIROCCO tool

Liset Grooten, Hubertus Johannes Maria Vrijhoef, Stefano Calciolari, Laura Guadalupe González Ortiz, Marcela Janečková, Mirella M. N. Minkman, Dirk Devroey

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Machine learning in medicine: a practical introduction

Jenni A. M. Sidey-Gibbons, Chris J. Sidey-Gibbons

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Methods to increase response rates to a population-based maternity survey: a comparison of two pilot studies

Siân Harrison, Jane Henderson, Fiona Alderdice, Maria A. Quigley

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Attempting rigour and replicability in thematic analysis of qualitative research data; a case study of codebook development

Kate Roberts, Anthony Dowell, Jing-Bao Nie

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Strategies for eliciting and synthesizing evidence for guidelines in rare diseases

Menaka Pai, Cindy H. T. Yeung, Elie A. Akl, Andrea Darzi, Christopher Hillis, Kimberly Legault, Joerg J. Meerpohl, Nancy Santesso, Domenica Taruscio, Madeleine Verhovsek, Holger J. Schünemann, Alfonso Iorio

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Crowding in the emergency department in the absence of boarding – a transition regression model to predict departures and waiting time

Andreas Halgreen Eiset, Hans Kirkegaard, Mogens Erlandsen

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Two-stage estimation to adjust for treatment switching in randomised trials: a simulation study investigating the use of inverse probability weighting instead of re-censoring

N. R. Latimer, K. R. Abrams, U. Siebert

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Understanding the importance of key risk factors in predicting chronic bronchitic symptoms using a machine learning approach

Huiyu Deng, Robert Urman, Frank D. Gilliland, Sandrah P. Eckel

01.12.2019 | Technical advance | Ausgabe 1/2019 Open Access

Bayes factors for superiority, non-inferiority, and equivalence designs

Don van Ravenzwaaij, Rei Monden, Jorge N. Tendeiro, John P. A. Ioannidis

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Comparison and validation of accelerometer wear time and non-wear time algorithms for assessing physical activity levels in children and adolescents

Jérémy Vanhelst, Florian Vidal, Elodie Drumez, Laurent Béghin, Jean-Benoît Baudelet, Stéphanie Coopman, Frédéric Gottrand

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The impact of survey mode on the response rate in a survey of the factors that influence Minnesota physicians’ disclosure practices

Lesley Weaver, Timothy J. Beebe, Todd Rockwood

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Two-stage optimal designs with survival endpoint when the follow-up time is restricted

Guogen Shan, Hua Zhang

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Languages for different health information readers: multitrait-multimethod content analysis of Cochrane systematic reviews textual summary formats

Jasna Karačić, Pierpaolo Dondio, Ivan Buljan, Darko Hren, Ana Marušić

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Assessments of attrition bias in Cochrane systematic reviews are highly inconsistent and thus hindering trial comparability

Andrija Babic, Ruzica Tokalic, João Amílcar Silva Cunha, Ivana Novak, Jelena Suto, Marin Vidak, Ivana Miosic, Ivana Vuka, Tina Poklepovic Pericic, Livia Puljak

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The judgement of biases included in the category “other bias” in Cochrane systematic reviews of interventions: a systematic survey

Andrija Babic, Andela Pijuk, Lucie Brázdilová, Yuliyana Georgieva, Marco António Raposo Pereira, Tina Poklepovic Pericic, Livia Puljak

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Protocol registration or development may benefit the design, conduct and reporting of dose-response meta-analysis: empirical evidence from a literature survey

Chang Xu, Liang-Liang Cheng, Yu Liu, Peng-Li Jia, Ming-Yue Gao, Chao Zhang

01.12.2019 | Software | Ausgabe 1/2019 Open Access

CPMCGLM: an R package for p-value adjustment when looking for an optimal transformation of a single explanatory variable in generalized linear models

Benoit Liquet, Jérémie Riou

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Towards greater understanding of implementation during systematic reviews of complex healthcare interventions: the framework for implementation transferability applicability reporting (FITAR)

Susan Baxter, Maxine Johnson, Duncan Chambers, Anthea Sutton, Elizabeth Goyder, Andrew Booth

01.12.2019 | Software | Ausgabe 1/2019 Open Access

Development of an interactive web-based tool to conduct and interrogate meta-analysis of diagnostic test accuracy studies: MetaDTA

Suzanne C. Freeman, Clareece R. Kerby, Amit Patel, Nicola J. Cooper, Terry Quinn, Alex J. Sutton

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Disentangling the roles of maternal and paternal age on birth prevalence of Down syndrome and other chromosomal disorders using a Bayesian modeling approach

James A. Thompson

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Quality in perinatal care: applying performance measurement using joint commission on accreditation of healthcare organizations indicators in Italy

Claudia Pileggi, Lorena Squillace, Mariavalentina Giordano, Rosa Papadopoli, Aida Bianco, Maria Pavia

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Reliability of routinely collected anthropometric measurements in primary care

Sarah Carsley, Patricia C. Parkin, Karen Tu, Eleanor Pullenayegum, Nav Persaud, Jonathon L. Maguire, Catherine S. Birken, on behalf of the TARGet Kids! Collaboration

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Incorporating individual historical controls and aggregate treatment effect estimates into a Bayesian survival trial: a simulation study

Caroline Brard, Lisa V. Hampson, Nathalie Gaspar, Marie-Cécile Le Deley, Gwénaël Le Teuff

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

An empirical comparison of Bayesian modelling strategies for missing binary outcome data in network meta-analysis

Loukia M. Spineli

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The agreement between chronic diseases reported by patients and derived from administrative data in patients undergoing joint arthroplasty

Bélène Podmore, Andrew Hutchings, Sujith Konan, Jan van der Meulen

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Prospective multicenter randomized patient recruitment and sample collection to enable future measurements of sputum biomarkers of inflammation in an observational study of cystic fibrosis

Theodore G. Liou, Frederick R. Adler, Natalia Argel, Fadi Asfour, Perry S. Brown, Barbara A. Chatfield, Cori L. Daines, Dixie Durham, Jessica A. Francis, Barbara Glover, Theresa Heynekamp, John R. Hoidal, Judy L. Jensen, Ruth Keogh, Carol M. Kopecky, Noah Lechtzin, Yanping Li, Jerimiah Lysinger, Osmara Molina, Craig Nakamura, Kristyn A. Packer, Katie R. Poch, Alexandra L. Quittner, Peggy Radford, Abby J. Redway, Scott D. Sagel, Shawna Sprandel, Jennifer L. Taylor-Cousar, Jane B. Vroom, Ryan Yoshikawa, John P. Clancy, J. Stuart Elborn, Kenneth N. Olivier, David R. Cox

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Obstacles to recruitment in paediatric studies focusing on mental health in a physical health context: the experiences of clinical gatekeepers in an observational cohort study

Maria E. Loades, Lucie Smith, Nina Higson-Sweeney, Lucy Beasant, Paul Stallard, David Kessler, Esther Crawley

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Development of an algorithm for evaluating the impact of measurement variability on response categorization in oncology trials

Jeong-Hwa Yoon, Soon Ho Yoon, Seokyung Hahn

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The Danish health and morbidity surveys: study design and participant characteristics

Heidi Amalie Rosendahl Jensen, Ola Ekholm, Michael Davidsen, Anne Illemann Christensen

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Which design to evaluate complex interventions? Toward a methodological framework through a systematic review

Laetitia Minary, Justine Trompette, Joëlle Kivits, Linda Cambon, Cyril Tarquinio, François Alla

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Determining a cutoff score for the family burden interview schedule using three statistical methods

Yu Yu, Zi-Wei Liu, Wei Zhou, Mei Zhao, Bing-Wei Tang, Shui-Yuan Xiao

01.12.2019 | Database | Ausgabe 1/2019 Open Access

Veterans Affairs patient database (VAPD 2014–2017): building nationwide granular data for clinical discovery

Xiao Qing Wang, Brenda M. Vincent, Wyndy L. Wiitala, Kaitlyn A. Luginbill, Elizabeth M. Viglianti, Hallie C. Prescott, Theodore J. Iwashyna

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Prior medication adherence of participants and non participants of a randomized controlled trial to improve patient adherence in cardiovascular risk management

A. Sieben, S. J. H. Bredie, J. C. H. B. M. Luijten, C. J. H. M. van Laarhoven, S. van Dulmen, H. A. W. van Onzenoort

01.12.2019 | Technical advance | Ausgabe 1/2019 Open Access

A novel approach to determine two optimal cut-points of a continuous predictor with a U-shaped relationship to hazard ratio in survival data: simulation and application

Yimin Chen, Jialing Huang, Xianying He, Yongxiang Gao, Gehendra Mahara, Zhuochen Lin, Jinxin Zhang

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The relationship between statistical power and predictor distribution in multilevel logistic regression: a simulation-based approach

Oscar L. Olvera Astivia, Anne Gadermann, Martin Guhn

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Reducing defects in the datasets of clinical research studies: conformance with data quality metrics

Naila A. Shaheen, Bipin Manezhi, Abin Thomas, Mohammed AlKelya

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Using Bayesian adaptive designs to improve phase III trials: a respiratory care example

Elizabeth G. Ryan, Julie Bruce, Andrew J. Metcalfe, Nigel Stallard, Sarah E. Lamb, Kert Viele, Duncan Young, Simon Gates

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

A Bayesian multivariate latent t-regression model for assessing the association between corticosteroid and cranial radiation exposures and cardiometabolic complications in survivors of childhood acute lymphoblastic leukemia: a PETALE study

Miguel Caubet Fernandez, Simon Drouin, Mariia Samoilenko, Sophia Morel, Maja Krajinovic, Caroline Laverdière, Daniel Sinnett, Emile Levy, Valérie Marcil, Geneviève Lefebvre

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Q sample construction: a novel approach incorporating a Delphi technique to explore opinions about codeine dependence

Melissa Kirschbaum, Tony Barnett, Merylin Cross

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The utility of multivariate outlier detection techniques for data quality evaluation in large studies: an application within the ONDRI project

Kelly M. Sunderland, Derek Beaton, Julia Fraser, Donna Kwan, Paula M. McLaughlin, Manuel Montero-Odasso, Alicia J. Peltsch, Frederico Pieruccini-Faria, Demetrios J. Sahlas, Richard H. Swartz, Stephen C. Strother, Malcolm A. Binns, ONDRI Investigators

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Are non-constant rates and non-proportional treatment effects accounted for in the design and analysis of randomised controlled trials? A review of current practice

Kim Jachno, Stephane Heritier, Rory Wolfe

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Correcting for misclassification and selection effects in estimating net survival in clinical trials

Juste Aristide Goungounga, Célia Touraine, Nathalie Grafféo, Roch Giorgi, the CENSUR working survival group

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

An analysis of current practices in undertaking literature reviews in nursing: findings from a focused mapping review and synthesis

Helen Aveyard, Caroline Bradbury-Jones

01.12.2019 | Debate | Ausgabe 1/2019 Open Access

Baseline testing in cluster randomised controlled trials: should this be done?

Jaime E. Bolzern, Alex Mitchell, David J. Torgerson

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Evaluating antimalarial efficacy in single-armed and comparative drug trials using competing risk survival analysis: a simulation study

Prabin Dahal, Philippe J. Guerin, Ric N. Price, Julie A. Simpson, Kasia Stepniewska

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Understanding the predictive value of continuous markers for censored survival data using a likelihood ratio approach

Andrew M. Smith, John P. Christodouleas, Wei-Ting Hwang

01.12.2019 | Study protocol | Ausgabe 1/2019 Open Access

A protocol for a multi-site, spatially-referenced household survey in slum settings: methods for access, sampling frame construction, sampling, and field data collection

Improving Health in Slums Collaborative

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Cross-validation of an algorithm detecting acute gastroenteritis episodes from prescribed drug dispensing data in France: comparison with clinical data reported in a primary care surveillance system, winter seasons 2014/15 to 2016/17

Ana-Maria Vilcu, Thierry Blanchon, Laure Sabatte, Cécile Souty, Milka Maravic, Thomas Hanslik, Olivier Steichen

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Estimands to quantify prolonged hospital stay associated with nosocomial infections

Martin Wolkewitz, Martin Schumacher, Gerta Rücker, Stephan Harbarth, Jan Beyersmann

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Adherence to reporting guidelines increases the number of citations: the argument for including a methodologist in the editorial process and peer-review

Marta Vilaró, Jordi Cortés, Albert Selva-O’Callaghan, Agustín Urrutia, Josep-Maria Ribera, Francesc Cardellach, Xavier Basagaña, Matthew Elmore, Miquel Vilardell, Douglas Altman, José-Antonio González, Erik Cobo

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Systematic mapping of existing tools to appraise methodological strengths and limitations of qualitative research: first stage in the development of the CAMELOT tool

Heather Menzies Munthe-Kaas, Claire Glenton, Andrew Booth, Jane Noyes, Simon Lewin

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Comparison of reproductive history gathered by interview and by vital records linkage after 40 years of follow-up: Bogalusa Babies

Emily W. Harville, Marni Jacobs, Tian Shu, Dorothy Breckner, Maeve Wallace

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Coding algorithms for defining Charlson and Elixhauser co-morbidities in Read-coded databases

David Metcalfe, James Masters, Antonella Delmestri, Andrew Judge, Daniel Perry, Cheryl Zogg, Belinda Gabbe, Matthew Costa

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Feasibility of identifying important changes in care management resulting from cardiovascular magnetic resonance (CMR) using hospital episode data in patients who activate the primary percutaneous coronary intervention (PPCI) pathway

Maria Pufulete, Jessica Harris, Stephen Dorman, Lynn Cook, Chiara Bucciarelli-Ducci, John Greenwood, Richard Anderson, Rachel Brierley, Barnaby C. Reeves

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Facilitating validation of prediction models: a comparison of manual and semi-automated validation using registry-based data of breast cancer patients in the Netherlands

Cornelia D. van Steenbeek, Marissa C. van Maaren, Sabine Siesling, Annemieke Witteveen, Xander A. A. M. Verbeek, Hendrik Koffijberg

01.12.2019 | Technical advance | Ausgabe 1/2019 Open Access

Introducing a new estimator and test for the weighted all-cause hazard ratio

Ann-Kathrin Ozga, Geraldine Rauch

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Effective stakeholder engagement: design and implementation of a clinical trial (SWOG S1415CD) to improve cancer care

Sarah Barger, Sean D. Sullivan, Ari Bell-Brown, Brad Bott, Anne Marie Ciccarella, John Golenski, Mark Gorman, Judy Johnson, Karma Kreizenbeck, Florence Kurttila, Ginny Mason, Jamie Myers, Carole Seigel, James L. Wade III, Guneet Walia, Kate Watabayashi, Gary H. Lyman, Scott D. Ramsey

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Preventing bias from selective non-response in population-based survey studies: findings from a Monte Carlo simulation study

Kristin Gustavson, Espen Røysamb, Ingrid Borren

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Understanding health management and safety decisions using signal processing and machine learning

Lisa Aufegger, Colin Bicknell, Emma Soane, Hutan Ashrafian, Ara Darzi

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Validation of the short assessment of health literacy (SAHL-D) and short-form development: Rasch analysis

A. J. Woudstra, C. S. Meppelink, H. Pander Maat, J. Oosterhaven, M. P. Fransen, A. L. Dima

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The impact of varying cluster size in cross-sectional stepped-wedge cluster randomised trials

James Thomas Martin, Karla Hemming, Alan Girling

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Outcomes of two randomized controlled trials, employing participants recruited through Mechanical Turk, of Internet interventions targeting unhealthy alcohol use

John A. Cunningham, Alexandra Godinho, Nicolas Bertholet

01.12.2019 | Debate | Ausgabe 1/2019 Open Access

Does big data require a methodological change in medical research?

Amke Caliebe, Friedhelm Leverkus, Gerd Antes, Michael Krawczak

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Consensus workshops on the development of an ADHD medication management protocol using QbTest: developing a clinical trial protocol with multidisciplinary stakeholders

Charlotte L. Hall, Susan Brown, Marilyn James, Jennifer L. Martin, Nikki Brown, Kim Selby, Julie Clarke, Laura Williams, Kapil Sayal, Chris Hollis, Madeleine J. Groom

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

How different online recruitment methods impact on recruitment rates for the web-based coortesnaweb project: a randomised trial

Cauane Blumenberg, Ana Maria Baptista Menezes, Helen Gonçalves, Maria Cecília Formoso Assunção, Fernando César Wehrmeister, Aluísio J. D. Barros

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

How do studies assess the preventability of readmissions? A systematic review with narrative synthesis

Eva-Linda Kneepkens, Corline Brouwers, Richelle Glory Singotani, Martine C. de Bruijne, Fatma Karapinar-Çarkit

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Methods to adjust for multiple comparisons in the analysis and sample size calculation of randomised controlled trials with multiple primary outcomes

Victoria Vickerstaff, Rumana Z. Omar, Gareth Ambler

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Comparison of a time-varying covariate model and a joint model of time-to-event outcomes in the presence of measurement error and interval censoring: application to kidney transplantation

Kristen R. Campbell, Elizabeth Juarez-Colunga, Gary K. Grunwald, James Cooper, Scott Davis, Jane Gralla

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Ranking hospital performance based on individual indicators: can we increase reliability by creating composite indicators?

Peter C. Austin, Iris E. Ceyisakar, Ewout W. Steyerberg, Hester F. Lingsma, Perla J. Marang-van de Mheen

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Single screening versus conventional double screening for study selection in systematic reviews: a methodological systematic review

Siw Waffenschmidt, Marco Knelangen, Wiebke Sieben, Stefanie Bühn, Dawid Pieper

01.12.2019 | Debate | Ausgabe 1/2019 Open Access

Scoping implementation science for the beginner: locating yourself on the “subway line” of translational research

Meghan B. Lane-Fall, Geoffrey M. Curran, Rinad S. Beidas

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

An innovative method for clinical practice guideline contextualisation for chronic musculoskeletal pain in the South African context

D. V. Ernstzen, S. L. Hillier, Q. A. Louw

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Evaluating selection bias in a population-based cohort study with low baseline participation: the LIFE-Adult-Study

Cornelia Enzenbach, Barbara Wicklein, Kerstin Wirkner, Markus Loeffler

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Ideal vs. real: a systematic review on handling covariates in randomized controlled trials

Jody D. Ciolino, Hannah L. Palac, Amy Yang, Mireya Vaca, Hayley M. Belli

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Methodology and reporting characteristics of studies using interrupted time series design in healthcare

Jemma Hudson, Shona Fielding, Craig R. Ramsay

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Effect of prepaid and promised financial incentive on follow-up survey response in cigarette smokers: a randomized controlled trial

Yee Tak Derek Cheung, Xue Weng, Man Ping Wang, Sai Yin Ho, Antonio Cho Shing Kwong, Vienna Wai Yin Lai, Tai Hing Lam

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Development of a measurement system for complex oral information transfer in medical consultations

J. M. Nordfalk, P. Gulbrandsen, J. Gerwing, M. Nylenna, J. Menichetti

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Health technology assessment (HTA) of optoelectronic biosensors for oncology by analytic hierarchy process (AHP) and Likert scale

Giovanni Improta, Antonietta Perrone, Mario Alessandro Russo, Maria Triassi

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Test equating sleep scales: applying the Leunbach’s model

Núria Duran Adroher, Svend Kreiner, Carolyn Young, Roger Mills, Alan Tennant

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Incidence of advanced colorectal cancer in Germany: comparing claims data and cancer registry data

Katja Anita Oppelt, Sabine Luttmann, Klaus Kraywinkel, Ulrike Haug

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Sequence symmetry analysis graphic adjustment for prescribing trends

Adrian Kym Preiss, Elizabeth Ellen Roughead, Nicole Leanne Pratt

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Means of increasing response rates in a Norwegian dietary survey among infants – results from a pseudo-randomized pilot study

Jannicke Borch Myhre, Lene Frost Andersen, Kristin Holvik, Helene Astrup, Anne Lene Kristiansen

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Illustration of different modelling assumptions for estimation of loss in expectation of life due to cancer

Therese M.-L. Andersson, Mark J. Rutherford, Paul C. Lambert

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Development and initial psychometric evaluation of the computer-based prostate Cancer screening decision aid acceptance scale for African-American men

Otis L. Owens, Nikki R. Wooten, Abbas S. Tavakoli

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

A community-based intervention to increase participation in cervical cancer screening among immigrants in Norway

Samera A. Qureshi, Abdi Gele, Prabhjot Kour, Kathy A. Møen, Bernadette Kumar, Esperanza Diaz

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Assessment of the abstract reporting of systematic reviews of dose-response meta-analysis: a literature survey

Peng-Li Jia, Bin Xu, Jing-Min Cheng, Xi-Hao Huang, Joey S. W. Kwong, Yu Liu, Chao Zhang, Ying Han, Chang Xu

01.12.2019 | Technical advance | Ausgabe 1/2019 Open Access

“Spatial heterogeneity of environmental risk in randomized prevention trials: consequences and modeling”

Abdoulaye Guindo, Issaka Sagara, Boukary Ouedraogo, Kankoe Sallah, Mahamadoun Hamady Assadou, Sara Healy, Patrick Duffy, Ogobara K. Doumbo, Alassane Dicko, Roch Giorgi, Jean Gaudart

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Adaptive propensity score procedure improves matching in prospective observational trials

Dorothea Weber, Lorenz Uhlmann, Silvia Schönenberger, Meinhard Kieser

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Can targeted cover letters improve participation in health surveys? Results from a randomized controlled trial

Anne Illemann Christensen, Peter Lynn, Janne Schurmann Tolstrup

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Explainable statistical learning in public health for policy development: the case of real-world suicide data

Paul van Schaik, Yonghong Peng, Adedokun Ojelabi, Jonathan Ling

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

The association between influenza vaccination and socioeconomic status in high income countries varies by the measure used: a systematic review

Kelsey Lucyk, Kimberley A. Simmonds, Diane L. Lorenzetti, Steven J. Drews, Lawrence W. Svenson, Margaret L. Russell

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Quality of maternal obstetric and neonatal care in low-income countries: development of a composite index

Danielle Wilhelm, Julia Lohmann, Manuela De Allegri, Jobiba Chinkhumba, Adamson S. Muula, Stephan Brenner

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Current approaches to identify sections within clinical narratives from electronic health records: a systematic review

Alexandra Pomares-Quimbaya, Markus Kreuzthaler, Stefan Schulz

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Readiness assessment for pragmatic trials (RAPT): a model to assess the readiness of an intervention for testing in a pragmatic trial

Rosa R. Baier, Eric Jutkowitz, Susan L. Mitchell, Ellen McCreedy, Vincent Mor

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

An information-motivation-behavioural skills analysis of long-lasting insecticidal net use among pregnant women in a hospital in North-Eastern Nigeria

Ahmed Dahiru Balami, Salmiah Md Said, Nor Afiah Mohd Zulkefli, Norsa’adah Bachok, Emmanuel Luke Balami

01.12.2019 | Correction | Ausgabe 1/2019 Open Access

Correction to: Methods to adjust for multiple comparisons in the analysis and sample size calculation of randomised controlled trials with multiple primary outcomes

Victoria Vickerstaff, Rumana Z. Omar, Gareth Ambler

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Patient recruitment strategies for adaptive enrichment designs with time-to-event endpoints

Ryuji Uozumi, Shinjo Yada, Atsushi Kawaguchi

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Figure Interpretation Assessment Tool-Health (FIAT-health) 2.0: from a scoring instrument to a critical appraisal tool

Reinie G. Gerrits, Niek S. Klazinga, Michael J. van den Berg, Dionne S. Kringos

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Imputation strategies when a continuous outcome is to be dichotomized for responder analysis: a simulation study

Lysbeth Floden, Melanie L. Bell

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

A plea for taking all available clinical information into account when assessing the predictive value of omics data

Alexander Volkmann, Riccardo De Bin, Willi Sauerbrei, Anne-Laure Boulesteix

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Using joint models to disentangle intervention effect types and baseline confounding: an application within an intervention study in prodromal Alzheimer’s disease with Fortasyn Connect

Floor M. van Oudenhoven, Sophie H.N. Swinkels, Tobias Hartmann, Hilkka Soininen, Anneke M.J. van Hees, Dimitris Rizopoulos

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Methodological steps used by authors of systematic reviews and meta-analyses of clinical trials: a cross-sectional study

Hoang Thi Nam Giang, Ali Mahmoud Ahmed, Reem Yousry Fala, Mohamed Magdy Khattab, Mona Hassan Ahmed Othman, Sara Attia Mahmoud Abdelrahman, Le Phuong Thao, Ahmed Elsaid Abd Elsamie Gabl, Samar Ahmed Elrashedy, Peter N. Lee, Kenji Hirayama, Hosni Salem, Nguyen Tien Huy

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Using marginal standardisation to estimate relative risk without dichotomising continuous outcomes

Ying Chen, Yilin Ning, Shih Ling Kao, Nathalie C. Støer, Falk Müller-Riemenschneider, Kavita Venkataraman, Eric Yin Hao Khoo, E-Shyong Tai, Chuen Seng Tan

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

How unmeasured confounding in a competing risks setting can affect treatment effect estimates in observational studies

Michael Andrew Barrowman, Niels Peek, Mark Lambie, Glen Philip Martin, Matthew Sperrin

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Refining scores based on patient reported outcomes – statistical and medical perspectives

Manuel Feißt, André Hennigs, Jörg Heil, Helfried Moosbrugger, Augustin Kelava, Ilona Stolpner, Meinhard Kieser, Geraldine Rauch

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Constructing treatment selection rules based on an estimated treatment effect function: different approaches to take stochastic uncertainty into account have a substantial effect on performance

Maren Eckert, Werner Vach

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

How to analyse longitudinal data from multiple sources in qualitative health research: the pen portrait analytic technique

Laura Sheard, Claire Marsh

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Risk of bias judgments for random sequence generation in Cochrane systematic reviews were frequently not in line with Cochrane Handbook

Ognjen Barcot, Matija Boric, Tina Poklepovic Pericic, Marija Cavar, Svjetlana Dosenovic, Ivana Vuka, Livia Puljak

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

High-performing physicians are more likely to participate in a research study: findings from a quality improvement study

Simone Dahrouge, Catherine Deri Armstrong, William Hogg, Jatinderpreet Singh, Clare Liddy

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Indigenous traumatic brain injury research: responding to recruitment challenges in the hospital environment

Michelle S. Fitts, Taeha Condon, John Gilroy, Katrina Bird, Erica Bleakley, Lauren Matheson, Jennifer Fleming, Alan R. Clough, Adrian Esterman, Paul Maruff, India Bohanna

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Consolidated criteria for strengthening reporting of health research involving indigenous peoples: the CONSIDER statement

Tania Huria, Suetonia C. Palmer, Suzanne Pitama, Lutz Beckert, Cameron Lacey, Shaun Ewen, Linda Tuhiwai Smith

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Chart validation of an algorithm for identifying hereditary progressive muscular dystrophy in healthcare claims

Xiaoxue Chen, Abiy Agiro, Ann S. Martin, Ann M. Lucas, Kevin Haynes

01.12.2019 | Research article | Ausgabe 1/2019 Open Access

Dynamic risk prediction for diabetes using biomarker change measurements

Layla Parast, Megan Mathews, Mark W. Friedberg

01.12.2019 | Debate | Ausgabe 1/2019 Open Access

Pragmatic trials and implementation science: grounds for divorce?

Ray Pawson

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