Ausgabe 1/2015
Inhalt (108 Artikel)
Strategy for recruitment and factors associated with motivation and satisfaction in a randomized trial with 210 healthy volunteers without financial compensation
Quentin Luzurier, Cédric Damm, Fabien Lion, Carine Daniel, Lucille Pellerin, Marie-Pierre Tavolacci
Maximising response from GPs to questionnaire surveys: do length or incentives make a difference?
Elizabeth Cottrell, Edward Roddy, Trishna Rathod, Elaine Thomas, Mark Porcheret, Nadine E Foster
Assessing the validity of the Global Activity Limitation Indicator in fourteen European countries
Nicolas Berger, Herman Van Oyen, Emmanuelle Cambois, Tony Fouweather, Carol Jagger, Wilma Nusselder, Jean-Marie Robine
Industry sponsorship and publication bias among animal studies evaluating the effects of statins on atherosclerosis and bone outcomes: a meta-analysis
Andrew T Anglemyer, David Krauth, Lisa Bero
The impact of standardizing the definition of visits on the consistency of multi-database observational health research
Erica A Voss, Qianli Ma, Patrick B Ryan
Reliability of self-reported toothbrushing frequency as an indicator for the assessment of oral hygiene in epidemiological research on caries in adolescents: a cross-sectional study
Giovana S Gil, Francine S Morikava, Gabriela C Santin, Tatiana P Pintarelli, Fabian C Fraiz, Fernanda M Ferreira
Comparison of risks of cardiovascular events in the elderly using standard survival analysis and multiple-events and recurrent-events methods
Edward H Ip, Achmad Efendi, Geert Molenberghs, Alain G Bertoni
Simulating recurrent event data with hazard functions defined on a total time scale
Antje Jahn-Eimermacher, Katharina Ingel, Ann-Kathrin Ozga, Stella Preussler, Harald Binder
Use of clustering analysis in randomized controlled trials in orthopaedic surgery
Hanna Oltean, Joel J Gagnier
Barriers and facilitators to patient recruitment to a cluster randomized controlled trial in primary care: lessons for future trials
Juliet M Foster, Susan M Sawyer, Lorraine Smith, Helen K Reddel, Tim Usherwood
Consistency between stated and revealed preferences: a discrete choice experiment and a behavioural experiment on vaccination behaviour compared
Mattijs S Lambooij, Irene A Harmsen, Jorien Veldwijk, Hester de Melker, Liesbeth Mollema, Yolanda WM van Weert, G Ardine de Wit
Novel participatory methods of involving patients in research: naming and branding a longitudinal cohort study, BRIGHTLIGHT
Rachel M Taylor, Jasjeet Mohain, Faith Gibson, Anita Solanki, Jeremy Whelan, Lorna A Fern
Power and sample size determination for the group comparison of patient-reported outcomes using the Rasch model: impact of a misspecification of the parameters
Myriam Blanchin, Alice Guilleux, Bastien Perrot, Angélique Bonnaud-Antignac, Jean-Benoit Hardouin, Véronique Sébille
Predictive modeling in pediatric traumatic brain injury using machine learning
Shu-Ling Chong, Nan Liu, Sylvaine Barbier, Marcus Eng Hock Ong
Positive predictive value of International Classification of Diseases, 10th revision, diagnosis codes for cardiogenic, hypovolemic, and septic shock in the Danish National Patient Registry
Marie Dam Lauridsen, Henrik Gammelager, Morten Schmidt, Henrik Nielsen, Christian Fynbo Christiansen
Optimal cut-point definition in biomarkers: the case of censored failure time outcome
Matteo Rota, Laura Antolini, Maria Grazia Valsecchi
An application of propensity score weighting to quantify the causal effect of rectal sexually transmitted infections on incident HIV among men who have sex with men
Adam S Vaughan, Colleen F Kelley, Nicole Luisi, Carlos del Rio, Patrick S Sullivan, Eli S Rosenberg
Collating the knowledge base for core outcome set development: developing and appraising the search strategy for a systematic review
Elizabeth Gargon, Paula R Williamson, Mike Clarke
Validation of death prediction after breast cancer relapses using joint models
Audrey Mauguen, Bernard Rachet, Simone Mathoulin-Pélissier, Gill M Lawrence, Sabine Siesling, Gaëtan MacGrogan, Alexandre Laurent, Virginie Rondeau
Sample size calculations for skewed distributions
Bonnie Cundill, Neal DE Alexander
Improving participation rates by providing choice of participation mode: two randomized controlled trials
Naomi Heijmans, Jan van Lieshout, Michel Wensing
The rise of multiple imputation: a review of the reporting and implementation of the method in medical research
Panteha Hayati Rezvan, Katherine J Lee, Julie A Simpson
Strategies for monitoring and evaluation of resource-limited national antiretroviral therapy programs: the two-phase design
Sebastien Haneuse, Bethany Hedt-Gauthier, Frank Chimbwandira, Simon Makombe, Lyson Tenthani, Andreas Jahn
Exploring physician specialist response rates to web-based surveys
Ceara Tess Cunningham, Hude Quan, Brenda Hemmelgarn, Tom Noseworthy, Cynthia A Beck, Elijah Dixon, Susan Samuel, William A Ghali, Lindsay L Sykes, Nathalie Jetté
Challenges in standardization of blood pressure measurement at the population level
Hanna Tolonen, Päivikki Koponen, Androniki Naska, Satu Männistö, Grazyna Broda, Tarja Palosaari, Kari Kuulasmaa
Network meta-analysis combining individual patient and aggregate data from a mixture of study designs with an application to pulmonary arterial hypertension
Howard HZ Thom, Gorana Capkun, Annamaria Cerulli, Richard M Nixon, Luke S Howard
The heterogeneity statistic I2 can be biased in small meta-analyses
Paul T von Hippel
BMC Medical Research Methodology reviewer acknowledgement 2014
Giulia Mangiameli
Permutation-based variance component test in generalized linear mixed model with application to multilocus genetic association study
Ping Zeng, Yang Zhao, Hongliang Li, Ting Wang, Feng Chen
Comparing denominator degrees of freedom approximations for the generalized linear mixed model in analyzing binary outcome in small sample cluster-randomized trials
Peng Li, David T Redden
Bayesian estimation of a cancer population by capture-recapture with individual capture heterogeneity and small sample
Laurent Bailly, Jean Pierre Daurès, Brigitte Dunais, Christian Pradier
Dichotomisation using a distributional approach when the outcome is skewed
Odile Sauzet, Mercy Ofuya, Janet L Peacock
Can obtaining informed consent alter self-reported drinking behaviour? A methodological experiment
Lambert Felix, Patrick Keating, Jim McCambridge
Meta-analysis of incidence rate data in the presence of zero events
Matthew J Spittal, Jane Pirkis, Lyle C Gurrin
A Wild Bootstrap approach for the selection of biomarkers in early diagnostic trials
Antonia Zapf, Edgar Brunner, Frank Konietschke
Efficiency and effectiveness evaluation of an automated multi-country patient count cohort system
Iñaki Soto-Rey, Benjamin Trinczek, Yannick Girardeau, Eric Zapletal, Nadir Ammour, Justin Doods, Martin Dugas, Fleur Fritz
A holistic comparative analysis of diagnostic tests for urothelial carcinoma: a study of Cxbladder Detect, UroVysion® FISH, NMP22® and cytology based on imputation of multiple datasets
Vivienne Breen, Nikola Kasabov, Ashish M. Kamat, Elsie Jacobson, James M. Suttie, Paul J. O’Sullivan, Laimonis Kavalieris, David G. Darling
Privacy Preserving Probabilistic Record Linkage (P3RL): a novel method for linking existing health-related data and maintaining participant confidentiality
Kurt Schmidlin, Kerri M. Clough-Gorr, Adrian Spoerri
Emergent approaches to the meta-analysis of multiple heterogeneous complex interventions
G. J. Melendez-Torres, Chris Bonell, James Thomas
Statistical inference for extended or shortened phase II studies based on Simon’s two-stage designs
Junjun Zhao, Menggang Yu, Xi-Ping Feng
An accurate test for homogeneity of odds ratios based on Cochran’s Q-statistic
Elena Kulinskaya, Michael B Dollinger
The extension of total gain (TG) statistic in survival models: properties and applications
Babak Choodari-Oskooei, Patrick Royston, Mahesh K.B. Parmar
Correspondence: Some general points regarding Ledberg and Wennberg, BMC Medical Research Methodology 2014 April 27;14:58
Dankmar Böhning, Peter G.M. van der Heijden
A randomised controlled trial comparing opt-in and opt-out home visits for tracing lost participants in a prospective birth cohort study
Isabelle Bray, Sian Noble, Andy Boyd, Lindsey Brown, Pei Hayes, Joanne Malcolm, Ross Robinson, Rachel Williams, Kirsty Burston, John Macleod, Lynn Molloy, Kate Tilling
Propensity score interval matching: using bootstrap confidence intervals for accommodating estimation errors of propensity scores
Wei Pan, Haiyan Bai
Prostate cancer: net survival and cause-specific survival rates after multiple imputation
Adeline Morisot, Faïza Bessaoud, Paul Landais, Xavier Rébillard, Brigitte Trétarre, Jean-Pierre Daurès
Why item response theory should be used for longitudinal questionnaire data analysis in medical research
Rosalie Gorter, Jean-Paul Fox, Jos W. R. Twisk
Validity of single item responses to short message service texts to monitor depression: an mHealth sub-study of the UK ACUDep trial
Ada Keding, Jan R. Böhnke, Tim J. Croudace, Stewart J. Richmond, Hugh MacPherson
Efficiency of pragmatic search strategies to update clinical guidelines recommendations
L. Martínez García, AJ. Sanabria, I. Araya, J. Lawson, I. Solà, RWM. Vernooij, D. López, E. García Álvarez, MM. Trujillo-Martín, I. Etxeandia-Ikobaltzeta, A. Kotzeva, D. Rigau, A. Louro-González, L. Barajas-Nava, P. Díaz del Campo, MD. Estrada, J. Gracia, F. Salcedo-Fernandez, RB. Haynes, P. Alonso-Coello
Ranking treatments in frequentist network meta-analysis works without resampling methods
Gerta Rücker, Guido Schwarzer
A note on obtaining correct marginal predictions from a random intercepts model for binary outcomes
Menelaos Pavlou, Gareth Ambler, Shaun Seaman, Rumana Z. Omar
The use of the Godin-Shephard Leisure-Time Physical Activity Questionnaire in oncology research: a systematic review
Steve Amireault, Gaston Godin, Jason Lacombe, Catherine M. Sabiston
Simulation-based estimation of mean and standard deviation for meta-analysis via Approximate Bayesian Computation (ABC)
Deukwoo Kwon, Isildinha M. Reis
Differences in proxy-reported and patient-reported outcomes: assessing health and functional status among medicare beneficiaries
Minghui Li, Ilene Harris, Z. Kevin Lu
Critical appraisal of AMSTAR: challenges, limitations, and potential solutions from the perspective of an assessor
Clovis Mariano Faggion Jr
Comparison of different approaches to estimating age standardized net survival
Paul C. Lambert, Paul W. Dickman, Mark J. Rutherford
Measurement of skeletal related events in SEER-Medicare: a comparison of claims-based methods
Abdalla Aly, Eberechukwu Onukwugha, Corinne Woods, C. Daniel Mullins, Young Kwok, Yi Qian, Jorge Arellano, Arun Balakumaran, Arif Hussain
Do personalised e-mail invitations increase the response rates of breast cancer survivors invited to participate in a web-based behaviour change intervention? A quasi-randomised 2-arm controlled trial
Camille E. Short, Amanda L. Rebar, Corneel Vandelanotte
Early results from a multi-component French public-private partnership initiative to improve participation in clinical research – CeNGEPS: a prospective before-after study
Régis Bordet, Marie Lang, Christelle Dieu, Nathalie Billon, Jean-Pierre Duffet
Assessing fidelity to treatment delivery in the ICONS (Identifying Continence OptioNs after Stroke) cluster randomised feasibility trial
Brigit M. Chesworth, Michael J. Leathley, Lois H. Thomas, Christopher J. Sutton, Denise Forshaw, Caroline L. Watkins
Development of the scale of hygıene behavıors for nursıng students
Gulay Ipek Coban, Sonay Bilgin
A general framework for comparative Bayesian meta-analysis of diagnostic studies
Joris Menten, Emmanuel Lesaffre
Comparison of subset selection methods in linear regression in the context of health-related quality of life and substance abuse in Russia
Olga Morozova, Olga Levina, Anneli Uusküla, Robert Heimer
Erratum to: “Comparison of intervention effects in split-mouth and parallel-arm randomized controlled trials: a meta-epidemiological study”
Violaine Smaïl-Faugeron, Hélène Fron-Chabouis, Frédéric Courson, Pierre Durieux
Development, inter-rater reliability and feasibility of a checklist to assess implementation (Ch-IMP) in systematic reviews: the case of provider-based prevention and treatment programs targeting children and youth
Margaret Cargo, Ivana Stankov, James Thomas, Michael Saini, Patricia Rogers, Evan Mayo-Wilson, Karin Hannes
Methodology and reporting quality of reporting guidelines: systematic review
Xiaoqin Wang, Yaolong Chen, Nan Yang, Wei Deng, Qi Wang, Nan Li, Liang Yao, Dang Wei, Gen Chen, Kehu Yang
Impact of preconception enrollment on birth enrollment and timing of exposure assessment in the initial vanguard cohort of the U.S. National Children’s Study
Joseph B. Stanford, Ruth Brenner, David Fetterer, Leslie Palmer, Kenneth C. Schoendorf
Erratum to: Correspondence: Some general points regarding Ledberg and Wennberg, BMC Medical Research Methodology 2014 April 27;14:58
Dankmar Böhning, Peter G M van der Heijden
A novel method for expediting the development of patient-reported outcome measures and an evaluation of its performance via simulation
Lili Garrard, Larry R. Price, Marjorie J. Bott, Byron J. Gajewski
Sample selection, recruitment and participation rates in health examination surveys in Europe – experience from seven national surveys
Jennifer S. Mindell, Simona Giampaoli, Antje Goesswald, Panagiotis Kamtsiuris, Charlotte Mann, Satu Männistö, Karen Morgan, Nicola J. Shelton, WM Monique Verschuren, Hanna Tolonen
The effect of timing of incentive payments on response rates for cohort study telephone interviews in primary care setting with cost-minimization analysis, a randomized controlled trial
Weng-Yee Chin, Edmond PH Choi, Cindy LK Lam
Participation rates, response bias and response behaviours in the community survey of the Swiss Spinal Cord Injury Cohort Study (SwiSCI)
Christine Fekete, Wolfgang Segerer, Armin Gemperli, Martin WG Brinkhof
Validity over time of self-reported anthropometric variables during follow-up of a large cohort of UK women
F. Lucy Wright, Jane Green, Gillian Reeves, Valerie Beral, Benjamin J. Cairns
Discrimination-based sample size calculations for multivariable prognostic models for time-to-event data
Rachel C. Jinks, Patrick Royston, Mahesh KB Parmar
Evaluation of a weighting approach for performing sensitivity analysis after multiple imputation
Panteha Hayati Rezvan, Ian R. White, Katherine J. Lee, John B. Carlin, Julie A. Simpson
Novel citation-based search method for scientific literature: application to meta-analyses
A. Cecile J W Janssens, M. Gwinn
Classification and prevalence of spin in abstracts of non-randomized studies evaluating an intervention
Clément Lazarus, Romana Haneef, Philippe Ravaud, Isabelle Boutron
Statistical power as a function of Cronbach alpha of instrument questionnaire items
Moonseong Heo, Namhee Kim, Myles S. Faith
Statistical power in parallel group point exposure studies with time-to-event outcomes: an empirical comparison of the performance of randomized controlled trials and the inverse probability of treatment weighting (IPTW) approach
Peter C. Austin, Tibor Schuster, Robert W. Platt
Decomposing the heterogeneity of depression at the person-, symptom-, and time-level: latent variable models versus multimode principal component analysis
Stijn de Vos, Klaas J. Wardenaar, Elisabeth H. Bos, Ernst C. Wit, Peter de Jonge
Using the scenario method in the context of health and health care – a scoping review
Horst Christian Vollmar, Thomas Ostermann, Marcus Redaèlli
Aiming for a representative sample: Simulating random versus purposive strategies for hospital selection
Loan R. van Hoeven, Mart P. Janssen, Kit C. B. Roes, Hendrik Koffijberg
An evaluation of harvest plots to display results of meta-analyses in overviews of reviews: a cross-sectional study
Katelynn Crick, Aireen Wingert, Katrina Williams, Ricardo M. Fernandes, Denise Thomson, Lisa Hartling
Development and validation of a self-administered questionnaire to estimate the distance and mode of children’s travel to school in urban India
Shailaja Tetali, Phil Edwards, G. V. S. Murthy, I. Roberts
The need to balance merits and limitations from different disciplines when considering the stepped wedge cluster randomized trial design
Esther de Hoop, Ingeborg van der Tweel, Rieke van der Graaf, Karel G. M. Moons, Johannes J. M. van Delden, Johannes B. Reitsma, Hendrik Koffijberg
Flexible combination of multiple diagnostic biomarkers to improve diagnostic accuracy
Tu Xu, Yixin Fang, Alan Rong, Junhui Wang
A measure of the impact of CV incompleteness on prediction error estimation with application to PCA and normalization
Roman Hornung, Christoph Bernau, Caroline Truntzer, Rory Wilson, Thomas Stadler, Anne-Laure Boulesteix
A re-randomisation design for clinical trials
Brennan C Kahan, Andrew B Forbes, Caroline J Doré, Tim P Morris
Erratum to: Novel citation-based search method for scientific literature: application to meta-analyses
A. Cecile J. W. Janssens, M. Gwinn
Development and demonstration of a state model for the estimation of incidence of partly undetected chronic diseases
Ralph Brinks, Barbara H. Bardenheier, Annika Hoyer, Ji Lin, Sandra Landwehr, Edward W. Gregg
Hartung-Knapp-Sidik-Jonkman approach and its modification for random-effects meta-analysis with few studies
Christian Röver, Guido Knapp, Tim Friede
The feasibility and acceptability of using the Mother-Generated Index (MGI) as a Patient Reported Outcome Measure in a randomised controlled trial of maternity care
Andrew Symon, Soo Downe, Kenneth William Finlayson, Rebecca Knapp, Peter Diggle
Synthesis of clinical prediction models under different sets of covariates with one individual patient data
Daisuke Yoneoka, Masayuki Henmi, Norie Sawada, Manami Inoue
Erratum to: Do personalised e-mail invitations increase the response rates of breast cancer survivors invited to participate in a web-based behaviour change intervention? A quasi-randomised 2-arm controlled trial
Camille E. Short, Amanda L. Rebar, Corneel Vandelanotte
Protocol-developing meta-ethnography reporting guidelines (eMERGe)
E.F. France, N. Ring, J. Noyes, M. Maxwell, R. Jepson, E. Duncan, R. Turley, D. Jones, I. Uny
Pre-notification letter type and response rate to a postal survey among women who have recently given birth
Angela L. Todd, Maree Porter, Jennifer L. Williamson, Jillian A. Patterson, Christine L. Roberts
Subgroup identification for treatment selection in biomarker adaptive design
Tzu-Pin Lu, James J. Chen
Bayesian estimation of associations between identified longitudinal hormone subgroups and age at final menstrual period
Bei Jiang, Mary D. Sammel, Ellen W. Freeman, Naisyin Wang
Some extensions in continuous models for immunological correlates of protection
Andrew J. Dunning, Jennifer Kensler, Laurent Coudeville, Fabrice Bailleux
Using systematic reviews to inform NIHR HTA trial planning and design: a retrospective cohort
Sheetal Bhurke, Andrew Cook, Anna Tallant, Amanda Young, Elaine Williams, James Raftery
Clinical research and medical care: towards effective and complete integration
José A Sacristán
Moderate agreement between self-reported stroke and hospital-recorded stroke in two cohorts of Australian women: a validation study
Caroline A Jackson, Gita D Mishra, Leigh Tooth, Julie Byles, Annette Dobson
Personalized contact strategies and predictors of time to survey completion: analysis of two sequential randomized trials
Victor D Dinglas, Minxuan Huang, Kristin A Sepulveda, Mariela Pinedo, Ramona O Hopkins, Elizabeth Colantuoni, Dale M Needham
Determine the therapeutic role of radiotherapy in administrative data: a data mining approach
Jina Zhang-Salomons, Greg Salomons
Optimal likelihood-ratio multiple testing with application to Alzheimer’s disease and questionable dementia
Donghwan Lee, Hyejin Kang, Eunkyung Kim, Hyekyoung Lee, Heejung Kim, Yu Kyeong Kim, Youngjo Lee, Dong Soo Lee
Standardisation of information submitted to an endpoint committee for cause of death assignment in a cancer screening trial – lessons learnt from CAP (Cluster randomised triAl of PSA testing for Prostate cancer)
Naomi J Williams, Elizabeth M Hill, Siaw Yein Ng, Richard M Martin, Chris Metcalfe, Jenny L Donovan, Simon Evans, Laura J Hughes, Charlotte F Davies, Freddie C Hamdy, David E Neal, Emma L Turner
Using interviewer random effects to remove selection bias from HIV prevalence estimates
Mark E McGovern, Till Bärnighausen, Joshua A Salomon, David Canning
Impact of variability in adherence to HIV antiretroviral therapy on the immunovirological response and mortality
Olayidé Boussari, Fabien Subtil, Christophe Genolini, Mathieu Bastard, Jean Iwaz, Noël Fonton, Jean-François Etard, René Ecochard