Issue 1/2017
Content (181 Articles)
Clinical prediction in defined populations: a simulation study investigating when and how to aggregate existing models
- Open Access
- Research article
Glen P. Martin, Mamas A. Mamas, Niels Peek, Iain Buchan, Matthew Sperrin
Outcome-sensitive multiple imputation: a simulation study
- Open Access
- Research article
Evangelos Kontopantelis, Ian R. White, Matthew Sperrin, Iain Buchan
G-computation of average treatment effects on the treated and the untreated
- Open Access
- Research article
Aolin Wang, Roch A. Nianogo, Onyebuchi A. Arah
Development of a Microsoft Excel tool for one-parameter Rasch model of continuous items: an application to a safety attitude survey
- Open Access
- Research article
Tsair-Wei Chien, Yang Shao, Shu-Chun Kuo
Centralising and optimising decentralised stroke care systems: a simulation study on short-term costs and effects
- Open Access
- Research article
Maarten M. H. Lahr, Durk-Jouke van der Zee, Gert-Jan Luijckx, Patrick C. A. J. Vroomen, Erik Buskens
A double SIMEX approach for bivariate random-effects meta-analysis of diagnostic accuracy studies
- Open Access
- Research Article
Annamaria Guolo
Estimating a population cumulative incidence under calendar time trends
- Open Access
- Research Article
Stefan N. Hansen, Morten Overgaard, Per K. Andersen, Erik T. Parner
Erratum to: Sample size calculations for cluster randomised controlled trials with a fixed number of clusters
- Open Access
- Erratum
Karla Hemming, Alan J Girling, Alice J Sitch, Jennifer Marsh, Richard J Lilford
Estimating cardiovascular disease incidence from prevalence: a spreadsheet based model
- Open Access
- Research article
Xue Feng Hu, Kue Young, Hing Man Chan
Comparison of methods for estimating the attributable risk in the context of survival analysis
- Open Access
- Research Article
Malamine Gassama, Jacques Bénichou, Laureen Dartois, Anne C. M. Thiébaut
Multiple triangulation and collaborative research using qualitative methods to explore decision making in pre-hospital emergency care
- Open Access
- Research article
Maxine Johnson, Rachel O’Hara, Enid Hirst, Andrew Weyman, Janette Turner, Suzanne Mason, Tom Quinn, Jane Shewan, A. Niroshan Siriwardena
Ridle for sparse regression with mandatory covariates with application to the genetic assessment of histologic grades of breast cancer
- Open Access
- Research Article
Jing Zhai, Chiu-Hsieh Hsu, Z. John Daye
Estimating the size of the homeless adolescent population across seven cities in Cambodia
- Open Access
- Research article
Lindsay Stark, Beth L. Rubenstein, Kimchoeun Pak, Rosemary Taing, Gary Yu, Sok Kosal, Leslie Roberts
Psychometric analysis of the brief symptom inventory 18 (BSI-18) in a representative German sample
- Open Access
- Research article
Gabriele Helga Franke, Susanne Jaeger, Heide Glaesmer, Claus Barkmann, Katja Petrowski, Elmar Braehler
Measuring health-related quality of life in cervical cancer patients: a systematic review of the most used questionnaires and their validity
- Open Access
- Research article
Casper Tax, Marlie E. Steenbergen, Petra L. M. Zusterzeel, Ruud L. M. Bekkers, Maroeska M. Rovers
Assessing and adjusting for non-response in the Millennium Cohort Family Study
- Open Access
- Research article
Nida H. Corry, Christianna S. Williams, Mike Battaglia, Hope Seib McMaster, Valerie A. Stander
Evaluation of biases present in the cohort multiple randomised controlled trial design: a simulation study
- Open Access
- Research article
Jane Candlish, Alexander Pate, Matthew Sperrin, Tjeerd van Staa
Motivations for (non)participation in population-based health studies among the elderly – comparison of participants and nonparticipants of a prospective study on influenza vaccination
- Open Access
- Research article
Manas K. Akmatov, Leonhard Jentsch, Peggy Riese, Marcus May, Malik W. Ahmed, Damaris Werner, Anja Rösel, Jana Prokein, Inga Bernemann, Norman Klopp, Blair Prochnow, Thomas Illig, Christoph Schindler, Carlos A. Guzman, Frank Pessler
Erratum to: A threshold method for immunological correlates of protection
- Open Access
- Erratum
Xuan Chen, Fabrice Bailleux, Kamal Desai, Li Qin, Andrew J. Dunning
Impact of communities, health, and emotional-related factors on smoking use: comparison of joint modeling of mean and dispersion and Bayes’ hierarchical models on add health survey
- Open Access
- Research article
Jie Pu, Di Fang, Jeffrey R. Wilson
What impact do assumptions about missing data have on conclusions? A practical sensitivity analysis for a cancer survival registry
- Open Access
- Research article
M. Smuk, J. R. Carpenter, T. P. Morris
Efficient confidence limits for adaptive one-arm two-stage clinical trials with binary endpoints
- Open Access
- Research Article
Guogen Shan, Hua Zhang, Tao Jiang
Utilising identifier error variation in linkage of large administrative data sources
- Open Access
- Research article
Katie Harron, Gareth Hagger-Johnson, Ruth Gilbert, Harvey Goldstein
Testing a systematic approach to identify and prioritise barriers to successful implementation of a complex healthcare intervention
- Open Access
- Research article
Louise E. Craig, Leonid Churilov, Liudmyla Olenko, Dominique A. Cadilhac, Rohan Grimley, Simeon Dale, Cintia Martinez-Garduno, Elizabeth McInnes, Julie Considine, Jeremy M. Grimshaw, Sandy Middleton
Self-controlled designs in pharmacoepidemiology involving electronic healthcare databases: a systematic review
- Open Access
- Research article
Nathalie Gault, Johann Castañeda-Sanabria, Yann De Rycke, Sylvie Guillo, Stéphanie Foulon, Florence Tubach
Generating evidence on a risk-based monitoring approach in the academic setting – lessons learned
- Open Access
- Research article
Belinda von Niederhäusern, Annette Orleth, Sabine Schädelin, Nawal Rawi, Martin Velkopolszky, Claudia Becherer, Pascal Benkert, Priya Satalkar, Matthias Briel, Christiane Pauli-Magnus
On the censored cost-effectiveness analysis using copula information
- Open Access
- Research Article
Charles Fontaine, Jean-Pierre Daurès, Paul Landais
A comparison of analytic approaches for individual patient data meta-analyses with binary outcomes
- Open Access
- Research article
Doneal Thomas, Robert Platt, Andrea Benedetti
Estimation of treatment preference effects in clinical trials when some participants are indifferent to treatment choice
- Open Access
- Research article
Stephen D. Walter, Robin M. Turner, Petra Macaskill, Kirsten J. McCaffery, Les Irwig
Participant retention practices in longitudinal clinical research studies with high retention rates
- Open Access
- Research article
Martha Abshire, Victor D. Dinglas, Maan Isabella A. Cajita, Michelle N. Eakin, Dale M. Needham, Cheryl Dennison Himmelfarb
A statistical method utilizing information of imported cases to estimate the transmissibility for an influenza pandemic
- Open Access
- Research article
Ka Chun Chong, Benny Chung Ying Zee, Maggie Haitian Wang
Research waste in diagnostic trials: a methods review evaluating the reporting of test-treatment interventions
- Open Access
- Research article
Lavinia Ferrante di Ruffano, Jacqueline Dinnes, Sian Taylor-Phillips, Clare Davenport, Chris Hyde, Jonathan J. Deeks
Performance of Firth-and logF-type penalized methods in risk prediction for small or sparse binary data
- Open Access
- Research Article
M. Shafiqur Rahman, Mahbuba Sultana
Erratum to: Exploring functional data analysis and wavelet principal component analysis on ecstasy (MDMA) wastewater data
- Open Access
- Erratum
Stefania Salvatore, Jørgen G. Bramness, Jo Røislien
Test-treatment RCTs are susceptible to bias: a review of the methodological quality of randomized trials that evaluate diagnostic tests
- Open Access
- Research article
Lavinia Ferrante di Ruffano, Jacqueline Dinnes, Alice J. Sitch, Chris Hyde, Jonathan J. Deeks
Leveraging the EHR4CR platform to support patient inclusion in academic studies: challenges and lessons learned
- Open Access
- Research article
Yannick Girardeau, Justin Doods, Eric Zapletal, Gilles Chatellier, Christel Daniel, Anita Burgun, Martin Dugas, Bastien Rance
A systematic review of studies with a representative sample of refugees and asylum seekers living in the community for participation in mental health research
- Open Access
- Research article
Joanne C. Enticott, Frances Shawyer, Shiva Vasi, Kimberly Buck, I-Hao Cheng, Grant Russell, Ritsuko Kakuma, Harry Minas, Graham Meadows
AIMD - a validated, simplified framework of interventions to promote and integrate evidence into health practices, systems, and policies
- Open Access
- Research article
Peter Bragge, Jeremy M. Grimshaw, Cynthia Lokker, Heather Colquhoun, Lauren Albrecht, Justine Baron, Ann Dadich, Laura Damschroder, Kristin Danko, Maria E. Fernandez, Signe Agnes Flottorp, Heather L. Gainforth, Kate Gooding, Ian D. Graham, Susanne Hempel, Simon Kitto, Jennifer Leeman, Danielle Mazza, Ann McKibbon, Susan Michie, Teryl Nuckols, John Ovretveit, Gjalt-Jorn Y. Peters, Hugo Sax, Shannon D. Scott, Kathleen R. Stevens, Michael G. Wilson
Trial Sequential Analysis in systematic reviews with meta-analysis
- Open Access
- Research article
Jørn Wetterslev, Janus Christian Jakobsen, Christian Gluud
Why sample selection matters in exploratory factor analysis: implications for the 12-item World Health Organization Disability Assessment Schedule 2.0
- Open Access
- Research article
Cadeyrn J. Gaskin, Sylvie D. Lambert, Steven J. Bowe, Liliana Orellana
Assignment of adverse event indexing terms in randomized clinical trials involving spinal manipulative therapy: an audit of records in MEDLINE and EMBASE databases
- Open Access
- Research article
Lindsay M. Gorrell, Roger M. Engel, Reidar P. Lystad, Benjamin T. Brown
The feasibility of matching on a propensity score for acupuncture in a prospective cohort study of patients with chronic pain
- Open Access
- Research article
Eric S. Johnson, John F. Dickerson, William M. Vollmer, Alee M. Rowley, Cheryl Ritenbaugh, Richard A. Deyo, Lynn DeBar
Implementation of clinical research trials using web-based and mobile devices: challenges and solutions
- Open Access
- Correspondence
Roy Eagleson, Luis Altamirano-Diaz, Alex McInnis, Eva Welisch, Stefanie De Jesus, Harry Prapavessis, Meghan Rombeek, Jamie A. Seabrook, Teresa Park, Kambiz Norozi
Standardizing effect size from linear regression models with log-transformed variables for meta-analysis
- Open Access
- Research article
Miguel Rodríguez-Barranco, Aurelio Tobías, Daniel Redondo, Elena Molina-Portillo, María José Sánchez
Incorporating nonlinearity into mediation analyses
- Open Access
- Research article
George J. Knafl, Kathleen A. Knafl, Margaret Grey, Jane Dixon, Janet A. Deatrick, Agatha M. Gallo
Methods for conceptualising ‘visual ability’ as a measurable construct in children with cerebral palsy
- Open Access
- Research article
Belinda Deramore Denver, Margareta Adolfsson, Elspeth Froude, Peter Rosenbaum, Christine Imms
Erratum to: Evaluation of biases present in the cohort multiple randomised controlled trial design: a simulation study
- Open Access
- Erratum
Jane Candlish, Alexander Pate, Matthew Sperrin, Tjeerd van Staa
Evaluation of AMSTAR to assess the methodological quality of systematic reviews in overviews of reviews of healthcare interventions
- Open Access
- Research article
Michelle Pollock, Ricardo M. Fernandes, Lisa Hartling
The effect of postal questionnaire burden on response rate and answer patterns following admission to intensive care: a randomised controlled trial
- Open Access
- Research article
Robert Hatch, Duncan Young, Vicki Barber, David A Harrison, Peter Watkinson
Practical partnered research to improve weight loss among overweight/obese veterans: lessons from the trenches
- Open Access
- Correspondence
Mona AuYoung, Laura J. Damschroder, Linda Kinsinger, Tannaz Moin, Caroline R. Richardson
Erratum to: What impact do assumptions about missing data have on conclusions? a practical sensitivity analysis for a cancer survival registry
- Open Access
- Erratum
M. Smuk, J. R. Carpenter, T. P. Morris
The importance of censoring in competing risks analysis of the subdistribution hazard
- Open Access
- Research Article
Mark W. Donoghoe, Val Gebski
Time-dependent ROC curve analysis in medical research: current methods and applications
- Open Access
- Research article
Adina Najwa Kamarudin, Trevor Cox, Ruwanthi Kolamunnage-Dona
Comparison of surveillance-based metrics for the assessment and monitoring of disease detection: simulation study about type 2 diabetes
- Open Access
- Research Article
Ralph Brinks, Annika Hoyer, Deborah B. Rolka, Oliver Kuss, Edward W. Gregg
Estimating the standardized incidence ratio (SIR) with incomplete follow-up data
- Open Access
- Research article
Heiko Becher, Volker Winkler
Evidence synthesis to inform model-based cost-effectiveness evaluations of diagnostic tests: a methodological review of health technology assessments
- Open Access
- Research article
Bethany Shinkins, Yaling Yang, Lucy Abel, Thomas R. Fanshawe
Practical application of opt-out recruitment methods in two health services research studies
- Open Access
- Research article
Christopher J. Miller, James F. Burgess Jr., Ellen P. Fischer, Deborah J. Hodges, Lindsay K. Belanger, Jessica M. Lipschitz, Siena R. Easley, Christopher J. Koenig, Regina L. Stanley, Jeffrey M. Pyne
Statistical evaluation of adding multiple risk factors improves Framingham stroke risk score
- Open Access
- Research article
Xiao-Hua Zhou, Xiaonan Wang, Ashlee Duncan, Guizhou Hu, Jiayin Zheng
Clinical patient registry recruitment and retention: a survey of patients in two chronic disease registries
- Open Access
- Research article
Daniel H. Solomon, Nancy A. Shadick, Michael E. Weinblatt, Michelle Frits, Christine Iannaccone, Agnes Zak, Joshua R. Korzenik
Review and evaluation of performance measures for survival prediction models in external validation settings
- Open Access
- Research article
M. Shafiqur Rahman, Gareth Ambler, Babak Choodari-Oskooei, Rumana Z. Omar
Protocol for the development of a salutogenic intrapartum core outcome set (SIPCOS)
- Open Access
- Study protocol
Valerie Smith, Deirdre Daly, Ingela Lundgren, Tine Eri, Cecily Begley, Mechthild M. Gross, Soo Downe, Zarko Alfirevic, Declan Devane
Kappa statistic to measure agreement beyond chance in free-response assessments
- Open Access
- Research article
Marc Carpentier, Christophe Combescure, Laura Merlini, Thomas V. Perneger
Impact of correlation of predictors on discrimination of risk models in development and external populations
- Open Access
- Research article
Suman Kundu, Madhu Mazumdar, Bart Ferket
Grey literature in systematic reviews: a cross-sectional study of the contribution of non-English reports, unpublished studies and dissertations to the results of meta-analyses in child-relevant reviews
- Open Access
- Research article
Lisa Hartling, Robin Featherstone, Megan Nuspl, Kassi Shave, Donna M. Dryden, Ben Vandermeer
The impact of the mode of survey administration on estimates of daily smoking for mobile phone only users
- Open Access
- Research article
Joseph Hanna, Damien V. Cordery, David G. Steel, Walter Davis, Timothy C. Harrold
Does the association between adherence to statin medications and mortality depend on measurement approach? A retrospective cohort study
- Open Access
- Research article
Mhd. Wasem Alsabbagh, Dean Eurich, Lisa M. Lix, Thomas W. Wilson, David F. Blackburn
Treatment-seeking behaviour in low- and middle-income countries estimated using a Bayesian model
- Open Access
- Research article
Victor A. Alegana, Jim Wright, Carla Pezzulo, Andrew J. Tatem, Peter M. Atkinson
Assessing the impact of natural policy experiments on socioeconomic inequalities in health: how to apply commonly used quantitative analytical methods?
- Open Access
- Research article
Yannan Hu, Frank J. van Lenthe, Rasmus Hoffmann, Karen van Hedel, Johan P. Mackenbach
Evaluation of a modified version of the Posttraumatic Growth Inventory-Short Form
- Open Access
- Research article
Navjot Kaur, Ben Porter, Cynthia A. LeardMann, Laura E. Tobin, Hector Lemus, David D. Luxton, Richard Armenta, Lauren Bauer, Deb Bookwalter, Anna Bukowinski, Adam Cooper, James Davies, Alex Esquivel, Dennis Faix, Susan Farrish, Toni Rose Geronimo, Gia Gumbs, Isabel Jacobson, Claire Kolaja, Joyce Kong, William Lee, Kyna Long, Denise Lovec-Jenkins, Gordon Lynch, Rayna Matsuno, Danielle Mitchell, Kristin Motylinski, Anna Nagel, Chiping Nieh, Chris O’Malley, Serguey Parkhomovsky, Anet Petrosyan, Chris Phillips, Teresa Powell, Rudy Rull, Beverly Sheppard, Steven Speigle, Daniel Trone, Jennifer Walstrom, Paul Amoroso, Edward Boyko, Gary Gackstetter, Greg Gray, Tomoko Hooper, Margaret Ryan, Tyler Smith, Timothy Wells
Using evaluability assessment to assess local community development health programmes: a Scottish case-study
- Open Access
- Research article
Melissa Belford, Tony Robertson, Ruth Jepson
Sharp bounds on sufficient-cause interactions under the assumption of no redundancy
- Open Access
- Research article
Wen-Chung Lee
Evaluation of the impact of disease prevention measures: a methodological note on defining incidence rates
- Open Access
- Research article
Yin-Bun Cheung, Ying Xu, Matthew Cairns, Paul Milligan
An experimental comparison of web-push vs. paper-only survey procedures for conducting an in-depth health survey of military spouses
- Open Access
- Research article
Hope Seib McMaster, Cynthia A. LeardMann, Steven Speigle, Don A. Dillman, Valerie Stander, Jackie Pflieger, Carlos Carballo, Teresa Powell, Kelly Woodall, Evelyn Sun, Lauren Bauer, William Lee, Nida Corry, Christianna Williams, John Fairbank, Robert Murphy, Ernestine Briggs-King, Ellen Gerrity, Robert Lee
Measurement properties of the Danish version of the Awareness and Beliefs about Cancer (ABC) measure
- Open Access
- Research article
Line Hvidberg, Anette Fischer Pedersen, Christian Nielsen Wulff, Anders Helles Carlsen, Peter Vedsted
Sample size and power determination when limited preliminary information is available
- Open Access
- Research article
Christine E. McLaren, Wen-Pin Chen, Thomas D. O’Sullivan, Daniel L. Gillen, Min-Ying Su, Jeon H. Chen, Bruce J. Tromberg
Assessing the complexity of interventions within systematic reviews: development, content and use of a new tool (iCAT_SR)
- Open Access
- Technical advance
Simon Lewin, Maggie Hendry, Jackie Chandler, Andrew D. Oxman, Susan Michie, Sasha Shepperd, Barnaby C. Reeves, Peter Tugwell, Karin Hannes, Eva A. Rehfuess, Vivien Welch, Joanne E. Mckenzie, Belinda Burford, Jennifer Petkovic, Laurie M. Anderson, Janet Harris, Jane Noyes
The effectiveness of a monetary incentive offer on survey response rates and response completeness in a longitudinal study
- Open Access
- Research article
Shengchao Yu, Howard E. Alper, Angela-Maithy Nguyen, Robert M. Brackbill, Lennon Turner, Deborah J. Walker, Carey B. Maslow, Kimberly C. Zweig
Double-adjustment in propensity score matching analysis: choosing a threshold for considering residual imbalance
- Open Access
- Research article
Tri-Long Nguyen, Gary S. Collins, Jessica Spence, Jean-Pierre Daurès, P. J. Devereaux, Paul Landais, Yannick Le Manach
On the impact of nonresponse in logistic regression: application to the 45 and Up study
- Open Access
- Research article
Joanna J. J. Wang, Mark Bartlett, Louise Ryan
Changes in affect after completing a mailed survey about trauma: two pre- and post-test studies in former disability applicants for posttraumatic stress disorder
- Open Access
- Research article
Maureen Murdoch, Shannon Marie Kehle-Forbes, Melissa Ruth Partin
Duration of the common cold and similar continuous outcomes should be analyzed on the relative scale: a case study of two zinc lozenge trials
- Open Access
- Research article
Harri Hemilä
Robust estimation of the expected survival probabilities from high-dimensional Cox models with biomarker-by-treatment interactions in randomized clinical trials
- Open Access
- Research article
Nils Ternès, Federico Rotolo, Stefan Michiels
Overview of systematic reviews of therapeutic ranges: methodologies and recommendations for practice
- Open Access
- Research article
Lewis Cooney, Yoon K. Loke, Su Golder, Jamie Kirkham, Andrea Jorgensen, Ian Sinha, Daniel Hawcutt
Validity of self-reported weight and height: a cross-sectional study among Malaysian adolescents
- Open Access
- Research article
C. C. Kee, K. H. Lim, M. G. Sumarni, C. H. Teh, Y. Y. Chan, M. I. Nuur Hafizah, Y. K. Cheah, E. O. Tee, Y. Ahmad Faudzi, M. Amal Nasir
Bayesian hierarchical piecewise regression models: a tool to detect trajectory divergence between groups in long-term observational studies
- Open Access
- Research article
Marie-jeanne Buscot, Simon S. Wotherspoon, Costan G. Magnussen, Markus Juonala, Matthew A. Sabin, David P. Burgner, Terho Lehtimäki, Jorma S. A. Viikari, Nina Hutri-Kähönen, Olli T. Raitakari, Russell J. Thomson
A nonparametric multiple imputation approach for missing categorical data
- Open Access
- Research Article
Muhan Zhou, Yulei He, Mandi Yu, Chiu-Hsieh Hsu
Methodologic considerations in the design and analysis of nested case-control studies: association between cytokines and postoperative delirium
- Open Access
- Research article
Long H. Ngo, Sharon K. Inouye, Richard N. Jones, Thomas G. Travison, Towia A. Libermann, Simon T. Dillon, George A. Kuchel, Sarinnapha M. Vasunilashorn, David C. Alsop, Edward R. Marcantonio
Limitations of pulmonary embolism ICD-10 codes in emergency department administrative data: let the buyer beware
- Open Access
- Research article
Kristin Burles, Grant Innes, Kevin Senior, Eddy Lang, Andrew McRae
Simulation of complex data structures for planning of studies with focus on biomarker comparison
- Open Access
- Research Article
Andreas Schulz, Daniela Zöller, Stefan Nickels, Manfred E. Beutel, Maria Blettner, Philipp S. Wild, Harald Binder
Erratum to: Standardizing effect size from linear regression models with log-transformed variables for meta-analysis
- Open Access
- Erratum
Miguel Rodríguez-Barranco, Aurelio Tobías, Daniel Redondo, Elena Molina-Portillo, María José Sánchez
A DAG-based comparison of interventional effect underestimation between composite endpoint and multi-state analysis in cardiovascular trials
- Open Access
- Research Article
Antje Jahn-Eimermacher, Katharina Ingel, Stella Preussler, Antoni Bayes-Genis, Harald Binder
Inverse probability of treatment-weighted competing risks analysis: an application on long-term risk of urinary adverse events after prostate cancer treatments
- Open Access
- Research article
Charlotte A. Bolch, Haitao Chu, Stephanie Jarosek, Stephen R. Cole, Sean Elliott, Beth Virnig
Selection bias and subject refusal in a cluster-randomized controlled trial
- Open Access
- Research article
Rochelle Yang, Barry L. Carter, Tyler H. Gums, Brian M. Gryzlak, Yinghui Xu, Barcey T. Levy
Estimating parameters for probabilistic linkage of privacy-preserved datasets
- Open Access
- Research article
Adrian P. Brown, Sean M. Randall, Anna M. Ferrante, James B. Semmens, James H. Boyd
Barriers to publishing in biomedical journals perceived by a sample of French researchers: results of the DIAzePAM study
- Open Access
- Research article
Martin Duracinsky, Christophe Lalanne, Laurence Rous, Aichata Fofana Dara, Lesya Baudoin, Claire Pellet, Alexandre Descamps, Fabienne Péretz, Olivier Chassany
Data cleaning and management protocols for linked perinatal research data: a good practice example from the Smoking MUMS (Maternal Use of Medications and Safety) Study
- Open Access
- Research article
Duong Thuy Tran, Alys Havard, Louisa R. Jorm
Inter-rater reliability of AMSTAR is dependent on the pair of reviewers
- Open Access
- Research article
Dawid Pieper, Anja Jacobs, Beate Weikert, Alba Fishta, Uta Wegewitz
Awareness of wearing an accelerometer does not affect physical activity in youth
- Open Access
- Research article
Jérémy Vanhelst, Laurent Béghin, Elodie Drumez, Stéphanie Coopman, Frédéric Gottrand
Implementation fidelity of a self-management course for epilepsy: method and assessment
- Open Access
- Research article
G. Wojewodka, S. Hurley, S. J. C. Taylor, A. J. Noble, L. Ridsdale, L. H. Goldstein
Cost and yield considerations when expanding recruitment for genetic studies: the primary open-angle African American glaucoma genetics study
- Open Access
- Research article
Rebecca Salowe, Laura O’Keefe, Sayaka Merriam, Roy Lee, Naira Khachatryan, Prithvi Sankar, Eydie Miller-Ellis, Amanda Lehman, Victoria Addis, Windell Murphy, Jeffrey Henderer, Maureen Maguire, Joan O’Brien
Sample size re-estimation in paired comparative diagnostic accuracy studies with a binary response
- Open Access
- Technical advance
Gareth P. J. McCray, Andrew C. Titman, Paula Ghaneh, Gillian A. Lancaster
Accounting for treatment use when validating a prognostic model: a simulation study
- Open Access
- Research article
Romin Pajouheshnia, Linda M. Peelen, Karel G. M. Moons, Johannes B. Reitsma, Rolf H. H. Groenwold
Using structural equation modeling for network meta-analysis
- Open Access
- Research article
Yu-Kang Tu, Yun-Chun Wu
Nonlinear joint models for individual dynamic prediction of risk of death using Hamiltonian Monte Carlo: application to metastatic prostate cancer
- Open Access
- Research Article
Solène Desmée, France Mentré, Christine Veyrat-Follet, Bernard Sébastien, Jérémie Guedj
Protocol adherence for continuously titrated interventions in randomized trials: an overview of the current methodology and case study
- Open Access
- Debate
F. Lauzier, N. K. Adhikari, A. Seely, K. K. Y. Koo, E. P. Belley-Côté, K. E. A. Burns, D. J. Cook, F. D’Aragon, B. Rochwerg, M. E. Kho, S. J. W. Oczkowksi, E. H. Duan, M. O. Meade, A. G. Day, F. Lamontagne
Clarifying the distinction between case series and cohort studies in systematic reviews of comparative studies: potential impact on body of evidence and workload
- Open Access
- Debate
Tim Mathes, Dawid Pieper
A literature review of applied adaptive design methodology within the field of oncology in randomised controlled trials and a proposed extension to the CONSORT guidelines
- Open Access
- Research article
Pankaj Mistry, Janet A Dunn, Andrea Marshall
A random effects meta-analysis model with Box-Cox transformation
- Open Access
- Research Article
Yusuke Yamaguchi, Kazushi Maruo, Christopher Partlett, Richard D. Riley
Binomial outcomes in dataset with some clusters of size two: can the dependence of twins be accounted for? A simulation study comparing the reliability of statistical methods based on a dataset of preterm infants
- Open Access
- Research Article
Odile Sauzet, Janet L. Peacock
Basic parametric analysis for a multi-state model in hospital epidemiology
- Open Access
- Research Article
Maja von Cube, Martin Schumacher, Martin Wolkewitz
Implementing the EffTox dose-finding design in the Matchpoint trial
- Open Access
- Research Article
Kristian Brock, Lucinda Billingham, Mhairi Copland, Shamyla Siddique, Mirjana Sirovica, Christina Yap
Integrating data from randomized controlled trials and observational studies to predict the response to pregabalin in patients with painful diabetic peripheral neuropathy
- Open Access
- Research article
Joe Alexander, Roger A. Edwards, Alberto Savoldelli, Luigi Manca, Roberto Grugni, Birol Emir, Ed Whalen, Stephen Watt, Marina Brodsky, Bruce Parsons
A comparison of multiple imputation methods for handling missing values in longitudinal data in the presence of a time-varying covariate with a non-linear association with time: a simulation study
- Open Access
- Research article
Anurika Priyanjali De Silva, Margarita Moreno-Betancur, Alysha Madhu De Livera, Katherine Jane Lee, Julie Anne Simpson
A comparison of the conditional inference survival forest model to random survival forests based on a simulation study as well as on two applications with time-to-event data
- Open Access
- Research Article
Justine B. Nasejje, Henry Mwambi, Keertan Dheda, Maia Lesosky
A mega-ethnography of eleven qualitative evidence syntheses exploring the experience of living with chronic non-malignant pain
- Open Access
- Research article
Fran Toye, Kate Seers, Erin Hannink, Karen Barker
Programme Reporting Standards (PRS) for improving the reporting of sexual, reproductive, maternal, newborn, child and adolescent health programmes
- Open Access
- Research article
Anna E. Kågesten, Özge Tunçalp, Anayda Portela, Moazzam Ali, Nhan Tran, A. Metin Gülmezoglu
Validity and reliability of a Malay version of the brief illness perception questionnaire for patients with type 2 diabetes mellitus
- Open Access
- Research article
Boon-How Chew, Rimke C. Vos, Monique Heijmans, Sazlina Shariff-Ghazali, Aaron Fernandez, Guy E. H. M. Rutten
Choice of futility boundaries for group sequential designs with two endpoints
- Open Access
- Research Article
Svenja Schüler, Meinhard Kieser, Geraldine Rauch
Using classification and regression tree modelling to investigate response shift patterns in dentine hypersensitivity
- Open Access
- Research article
Carolina Machuca, Mario V. Vettore, Marta Krasuska, Sarah R. Baker, Peter G. Robinson
Trading certainty for speed - how much uncertainty are decisionmakers and guideline developers willing to accept when using rapid reviews: an international survey
- Open Access
- Research article
Gernot Wagner, Barbara Nussbaumer-Streit, Judith Greimel, Agustín Ciapponi, Gerald Gartlehner
The impact of the lookback period and definition of confirmatory events on the identification of incident cancer cases in administrative data
- Open Access
- Research article
Jonas Czwikla, Kathrin Jobski, Tania Schink
Applied Swarm-based medicine: collecting decision trees for patterns of algorithms analysis
- Open Access
- Research article
Cédric M. Panje, Markus Glatzer, Joscha von Rappard, Christian Rothermundt, Thomas Hundsberger, Valentin Zumstein, Ludwig Plasswilm, Paul Martin Putora
Estimating correlation between multivariate longitudinal data in the presence of heterogeneity
- Open Access
- Research article
Feng Gao, J. Philip Miller, Chengjie Xiong, Jingqin Luo, Julia A. Beiser, Ling Chen, Mae O. Gordon
The impact of self-interviews on response patterns for sensitive topics: a randomized trial of electronic delivery methods for a sexual behaviour questionnaire in rural South Africa
- Open Access
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Guy Harling, Dumile Gumede, Tinofa Mutevedzi, Nuala McGrath, Janet Seeley, Deenan Pillay, Till W. Bärnighausen, Abraham J. Herbst
Statistical methods for elimination of guarantee-time bias in cohort studies: a simulation study
- Open Access
- Research article
In Sung Cho, Ye Rin Chae, Ji Hyeon Kim, Hae Rin Yoo, Suk Yong Jang, Gyu Ri Kim, Chung Mo Nam
Why statistical inference from clinical trials is likely to generate false and irreproducible results
- Open Access
- Debate
Leonid Hanin
Using Bayesian statistics to estimate the likelihood a new trial will demonstrate the efficacy of a new treatment
- Open Access
- Research article
David J. Biau, Samuel Boulezaz, Laurent Casabianca, Moussa Hamadouche, Philippe Anract, Sylvie Chevret
Methods for significance testing of categorical covariates in logistic regression models after multiple imputation: power and applicability analysis
- Open Access
- Technical advance
Iris Eekhout, Mark A. van de Wiel, Martijn W. Heymans
Trends in the number and the quality of trial protocols involving children submitted to a French Institutional Review Board
- Open Access
- Research article
Isabelle Gautier, Perrine Janiaud, Nelly Rollet, Nicolas André, Michel Tsimaratos, Catherine Cornu, Salma Malik, Stéphanie Gentile, Behrouz Kassaï
Validity and reliability of a performance evaluation tool based on the modified Barthel Index for stroke patients
- Open Access
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Tomoko Ohura, Kimitaka Hase, Yoshie Nakajima, Takeo Nakayama
Factors associated with attrition in a longitudinal online study: results from the HaBIDS panel
- Open Access
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Nicole Rübsamen, Manas K. Akmatov, Stefanie Castell, André Karch, Rafael T. Mikolajczyk
Longitudinal studies that use data collected as part of usual care risk reporting biased results: a systematic review
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- Research article
Delaram Farzanfar, Asmaa Abumuamar, Jayoon Kim, Emily Sirotich, Yue Wang, Eleanor Pullenayegum
Multiple imputation for handling missing outcome data when estimating the relative risk
- Open Access
- Research article
Thomas R. Sullivan, Katherine J. Lee, Philip Ryan, Amy B. Salter
Evidence mapping based on systematic reviews of therapeutic interventions for gastrointestinal stromal tumors (GIST)
- Open Access
- Research article
Mónica Ballesteros, Nadia Montero, Antonio López-Pousa, Gerard Urrútia, Ivan Solà, Gabriel Rada, Hector Pardo-Hernandez, Xavier Bonfill
Addressing data privacy in matched studies via virtual pooling
- Open Access
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P. Saha-Chaudhuri, C.R. Weinberg
Monte Carlo simulation-based estimation for the minimum mortality temperature in temperature-mortality association study
- Open Access
- Research article
Whanhee Lee, Ho Kim, Sunghee Hwang, Antonella Zanobetti, Joel D. Schwartz, Yeonseung Chung
Towards evidence-based computational statistics: lessons from clinical research on the role and design of real-data benchmark studies
- Open Access
- Debate
Anne-Laure Boulesteix, Rory Wilson, Alexander Hapfelmeier
Conducting a team-based multi-sited focused ethnography in primary care
- Open Access
- Correspondence
A.P. Bikker, H. Atherton, H. Brant, T. Porqueddu, J.L. Campbell, A. Gibson, B. McKinstry, C. Salisbury, S. Ziebland
Measuring the burden of treatment for chronic disease: implications of a scoping review of the literature
- Open Access
- Research article
Adem Sav, Asiyeh Salehi, Frances S. Mair, Sara S. McMillan
Reporting of the translation and cultural adaptation procedures of the Addenbrooke’s Cognitive Examination version III (ACE-III) and its predecessors: a systematic review
- Open Access
- Research article
Nadine Mirza, Maria Panagioti, Muhammad Wali Waheed, Waquas Waheed
Assessment of consent models as an ethical consideration in the conduct of prehospital ambulance randomised controlled clinical trials: a systematic review
- Open Access
- Research article
Stephanie Armstrong, Adele Langlois, Despina Laparidou, Mark Dixon, Jason P. Appleton, Philip M. Bath, Helen Snooks, A. Niroshan Siriwardena
Repeat: a framework to assess empirical reproducibility in biomedical research
- Open Access
- Research article
Leslie D. McIntosh, Anthony Juehne, Cynthia R. H. Vitale, Xiaoyan Liu, Rosalia Alcoser, J. Christian Lukas, Bradley Evanoff
Pragmatic clinical trials embedded in healthcare systems: generalizable lessons from the NIH Collaboratory
- Open Access
- Research article
Kevin P. Weinfurt, Adrian F. Hernandez, Gloria D. Coronado, Lynn L. DeBar, Laura M. Dember, Beverly B. Green, Patrick J. Heagerty, Susan S. Huang, Kathryn T. James, Jeffrey G. Jarvik, Eric B. Larson, Vincent Mor, Richard Platt, Gary E. Rosenthal, Edward J. Septimus, Gregory E. Simon, Karen L. Staman, Jeremy Sugarman, Miguel Vazquez, Douglas Zatzick, Lesley H. Curtis
Patients’ beliefs regarding informed consent for low-risk pragmatic trials
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Rafael Dal-Ré, Antonio J. Carcas, Xavier Carné, David Wendler
Systematic review of statistical approaches to quantify, or correct for, measurement error in a continuous exposure in nutritional epidemiology
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Derrick A. Bennett, Denise Landry, Julian Little, Cosetta Minelli
Predicting the multi-domain progression of Parkinson’s disease: a Bayesian multivariate generalized linear mixed-effect model
- Open Access
- Research article
Ming Wang, Zheng Li, Eun Young Lee, Mechelle M. Lewis, Lijun Zhang, Nicholas W. Sterling, Daymond Wagner, Paul Eslinger, Guangwei Du, Xuemei Huang
Item response models for the longitudinal analysis of health-related quality of life in cancer clinical trials
- Open Access
- Research Article
Antoine Barbieri, Jean Peyhardi, Thierry Conroy, Sophie Gourgou, Christian Lavergne, Caroline Mollevi
Design considerations and analysis planning of a phase 2a proof of concept study in rheumatoid arthritis in the presence of possible non-monotonicity
- Open Access
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Feng Liu, Stephen J. Walters, Steven A. Julious
Recruiting former melanoma patients via hospitals in comparison to office-based dermatologists in a register-based cohort study that required indirect contact
- Open Access
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S. R. Zeissig, V. Weyer-Elberich, K. Emrich, H. Binder, S. Fischbeck, B. H. Imruck, P. Friedrich-Mai, M. E. Beutel, M. Blettner
Is the information of systematic reviews published in nursing journals up-to-date? a cross-sectional study
- Open Access
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Wilson W. S. Tam, Kenneth K. H. Lo, Parames Khalechelvam, Joey Seah, Shawn Y. S. Goh
Frequency of data extraction errors and methods to increase data extraction quality: a methodological review
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Tim Mathes, Pauline Klaßen, Dawid Pieper
Mobile electronic versus paper case report forms in clinical trials: a randomized controlled trial
- Open Access
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Robert Fleischmann, Anne-Marie Decker, Antje Kraft, Knut Mai, Sein Schmidt
Performance comparison of first-order conditional estimation with interaction and Bayesian estimation methods for estimating the population parameters and its distribution from data sets with a low number of subjects
- Open Access
- Research article
Sudeep Pradhan, Byungjeong Song, Jaeyeon Lee, Jung-woo Chae, Kyung Im Kim, Hyun-moon Back, Nayoung Han, Kwang-il Kwon, Hwi-yeol Yun
New methods for estimating follow-up rates in cohort studies
- Open Access
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Xiaonan Xue, Ilir Agalliu, Mimi Y. Kim, Tao Wang, Juan Lin, Reza Ghavamian, Howard D. Strickler
Using Mechanical Turk to recruit participants for internet intervention research: experience from recruitment for four trials targeting hazardous alcohol consumption
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John A. Cunningham, Alexandra Godinho, Vladyslav Kushnir
Sample size calculations based on a difference in medians for positively skewed outcomes in health care studies
- Open Access
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Aidan G. O’Keeffe, Gareth Ambler, Julie A. Barber
What does it mean when people say that they have received expressions of concern about their drinking or advice to cut down on the AUDIT scale?
- Open Access
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John A. Cunningham, Alexandra Godinho, Vladyslav Kushnir, Nicolas Bertholet
ERDO - a framework to select an appropriate randomization procedure for clinical trials
- Open Access
- Technical advance
Ralf-Dieter Hilgers, Diane Uschner, William F. Rosenberger, Nicole Heussen
Performance of the marginal structural cox model for estimating individual and joined effects of treatments given in combination
- Open Access
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Clovis Lusivika-Nzinga, Hana Selinger-Leneman, Sophie Grabar, Dominique Costagliola, Fabrice Carrat
Classification schemes for knowledge translation interventions: a practical resource for researchers
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Susan E. Slaughter, Gabrielle L. Zimmermann, Megan Nuspl, Heather M. Hanson, Lauren Albrecht, Rosmin Esmail, Khara Sauro, Amanda S. Newton, Maoliosa Donald, Michele P. Dyson, Denise Thomson, Lisa Hartling
When and how should multiple imputation be used for handling missing data in randomised clinical trials – a practical guide with flowcharts
- Open Access
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Janus Christian Jakobsen, Christian Gluud, Jørn Wetterslev, Per Winkel
Validity of mobile electronic data capture in clinical studies: a pilot study in a pediatric population
- Open Access
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Belinda von Niederhäusern, Ramon Saccilotto, Sabine Schädelin, Victoria Ziesenitz, Pascal Benkert, Marie-Luise Decker, Anya Hammann, Julia Bielicki, Marc Pfister, Christiane Pauli-Magnus
Longitudinal drop-out and weighting against its bias
- Open Access
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Steffen C. E. Schmidt, Alexander Woll
On the use of the outcome variable “small for gestational age” when gestational age is a potential mediator: a maternal asthma perspective
- Open Access
- Research article
Geneviève Lefebvre, Mariia Samoilenko
Methods to perform systematic reviews of patient preferences: a literature survey
- Open Access
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Tsung Yu, Nomin Enkh-Amgalan, Ganchimeg Zorigt
Learning from older peoples’ reasons for participating in demanding, intensive epidemiological studies: a qualitative study
- Open Access
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Alicja M. Baczynska, Sarah C. Shaw, Harnish P. Patel, Avan A. Sayer, Helen C. Roberts
Accounting for misclassification bias of binary outcomes due to underscreening: a sensitivity analysis
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Nanhua Zhang, Si Cheng, Lilliam Ambroggio, Todd A. Florin, Maurizio Macaluso
User testing of an adaptation of fishbone diagrams to depict results of systematic reviews
- Open Access
- Research article
Gerald Gartlehner, Marie-Therese Schultes, Viktoria Titscher, Laura C. Morgan, Georgiy V. Bobashev, Peyton Williams, Suzanne L. West
Accounting for parameter uncertainty in the definition of parametric distributions used to describe individual patient variation in health economic models
- Open Access
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Koen Degeling, Maarten J. IJzerman, Miriam Koopman, Hendrik Koffijberg
Tweedie distributions for fitting semicontinuous health care utilization cost data
- Open Access
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Christoph F. Kurz
Multiple Score Comparison: a network meta-analysis approach to comparison and external validation of prognostic scores
- Open Access
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Sarah R. Haile, Beniamino Guerra, Joan B. Soriano, Milo A. Puhan, Bernd Lamprecht, Ana S. Ramírez, Pablo Martinez-Camblor, Bernhard Kaiser, Inmaculada Alfageme, Pere Almagro, Ciro Casanova, Cristóbal Esteban-González, Juan J. Soler-Cataluña, Juan P. de Torres, Marc. Miravitlles, Bartolome R. Celli, Jose M. Marin, Gerben ter Riet, Patricia Sobradillo-Ecenarro, Peter Lange, Judith Garcia-Aymerich, Josep M. Antó-Boqué, Alice M. Turner, Meilan K. Han, Arnulf Langhammer, Linda Leivseth, Per Bakke, Ane Johannessen, Oga Toru, Borja Cosío, Julio Ancochea-Bermúdez, Andres Echazarreta, Nicolas Roche, Pierre-Régis Burgel, Don D. Sin, Joan B. Soriano, Milo A. Puhan
The development of CHAMP: a checklist for the appraisal of moderators and predictors
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Ralph van Hoorn, Marcia Tummers, Andrew Booth, Ansgar Gerhardus, Eva Rehfuess, Daniel Hind, Patrick M. Bossuyt, Vivian Welch, Thomas P. A. Debray, Martin Underwood, Pim Cuijpers, Helena Kraemer, Gert Jan van der Wilt, Wietkse Kievit
What’s the uptake? Pragmatic RCTs may be used to estimate uptake, and thereby population impact of interventions, but better reporting of trial recruitment processes is needed
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- Research article
Katy J. L. Bell, Amanda McCullough, Chris Del Mar, Paul Glasziou
Development of an intervention to reduce antibiotic use for childhood coughs in UK primary care using critical synthesis of multi-method research
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Patricia J. Lucas, Jenny Ingram, Niamh M. Redmond, Christie Cabral, Sophie L. Turnbull, Alastair D. Hay
A survey of prevalence of narrative and systematic reviews in five major medical journals
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Clovis Mariano Faggion Jr, Nikolaos P. Bakas, Jason Wasiak
The alarming problems of confounding equivalence using logistic regression models in the perspective of causal diagrams
- Open Access
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Yuanyuan Yu, Hongkai Li, Xiaoru Sun, Ping Su, Tingting Wang, Yi Liu, Zhongshang Yuan, Yanxun Liu, Fuzhong Xue
Compliance of systematic reviews in ophthalmology with the PRISMA statement
- Open Access
- Research article
Seon-Young Lee, Harkiran Sagoo, Reem Farwana, Katharine Whitehurst, Alex Fowler, Riaz Agha
Can statistic adjustment of OR minimize the potential confounding bias for meta-analysis of case-control study? A secondary data analysis
- Open Access
- Research article
Tianyi Liu, Xiaolu Nie, Zehao Wu, Ying Zhang, Guoshuang Feng, Siyu Cai, Yaqi Lv, Xiaoxia Peng
Abstract analysis method facilitates filtering low-methodological quality and high-bias risk systematic reviews on psoriasis interventions
- Open Access
- Research article
Francisco Gómez-García, Juan Ruano, Macarena Aguilar-Luque, Patricia Alcalde-Mellado, Jesús Gay-Mimbrera, José Luis Hernández-Romero, Juan Luis Sanz-Cabanillas, Beatriz Maestre-López, Marcelino González-Padilla, Pedro J. Carmona-Fernández, Antonio Vélez García-Nieto, Beatriz Isla-Tejera
A scoping review of comparisons between abstracts and full reports in primary biomedical research
- Open Access
- Research article
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
