Issue 1/2016
Content (169 Articles)
Creating a literature database of low-calorie sweeteners and health studies: evidence mapping
Ding Ding Wang, Marissa Shams-White, Oliver John M. Bright, J. Scott Parrott, Mei Chung
Estimating time-varying exposure-outcome associations using case-control data: logistic and case-cohort analyses
Ruth H. Keogh, Punam Mangtani, Laura Rodrigues, Patrick Nguipdop Djomo
Early diagnosis of gestational trophoblastic neoplasia based on trajectory classification with compartment modeling
Claire Burny, Muriel Rabilloud, François Golfier, Jérôme Massardier, Touria Hajri, Anne-Marie Schott, Fabien Subtil
Addressing challenges of validity and internal consistency of mental health measures in a 27- year longitudinal cohort study – the Northern Swedish Cohort study
Anne Hammarström, Hugo Westerlund, Kaisa Kirves, Karina Nygren, Pekka Virtanen, Bruno Hägglöf
Crude incidence in two-phase designs in the presence of competing risks
Paola Rebora, Laura Antolini, David V. Glidden, Maria Grazia Valsecchi
Assessing variability in results in systematic reviews of diagnostic studies
Christiana A. Naaktgeboren, Eleanor A. Ochodo, Wynanda A. Van Enst, Joris A. H. de Groot, Lotty Hooft, Mariska M. G. Leeflang, Patrick M. Bossuyt, Karel G. M. Moons, Johannes B. Reitsma
Meta-analytic estimation of measurement variability and assessment of its impact on decision-making: the case of perioperative haemoglobin concentration monitoring
Emmanuel Charpentier, Vincent Looten, Björn Fahlgren, Alexandre Barna, Loïc Guillevin
The existence of standard-biased mortality ratios due to death certificate misclassification - a simulation study based on a true story
Andreas Deckert
Propensity score to detect baseline imbalance in cluster randomized trials: the role of the c-statistic
Clémence Leyrat, Agnès Caille, Yohann Foucher, Bruno Giraudeau
Patient responses to research recruitment and follow-up surveys: findings from a diverse multicultural health care setting in Qatar
Amal Khidir, Humna Asad, Huda Abdelrahim, Maha Elnashar, Amal Killawi, Maya Hammoud, Abdul Latif Al-Khal, Pascale Haddad, Michael D. Fetters
Mixed-strain housing for female C57BL/6, DBA/2, and BALB/c mice: validating a split-plot design that promotes refinement and reduction
Michael Walker, Carole Fureix, Rupert Palme, Jonathan A. Newman, Jamie Ahloy Dallaire, Georgia Mason
The quality and diagnostic value of open narratives in verbal autopsy: a mixed-methods analysis of partnered interviews from Malawi
C. King, C. Zamawe, M. Banda, N. Bar-Zeev, J. Beard, J. Bird, A. Costello, P. Kazembe, D. Osrin, E. Fottrell
Predicting analysis times in randomized clinical trials with cancer immunotherapy
Tai-Tsang Chen
Eliciting parental support for the use of newborn blood spots for pediatric research
Edwina H. Yeung, Germaine Buck Louis, David Lawrence, Kurunthachalam Kannan, Alexander C. McLain, Michele Caggana, Charlotte Druschel, Erin Bell
A scoping review on the conduct and reporting of scoping reviews
Andrea C. Tricco, Erin Lillie, Wasifa Zarin, Kelly O’Brien, Heather Colquhoun, Monika Kastner, Danielle Levac, Carmen Ng, Jane Pearson Sharpe, Katherine Wilson, Meghan Kenny, Rachel Warren, Charlotte Wilson, Henry T. Stelfox, Sharon E. Straus
Augmenting the logrank test in the design of clinical trials in which non-proportional hazards of the treatment effect may be anticipated
Patrick Royston, Mahesh K.B. Parmar
BMC Medical Research Methodology reviewer acknowledgement 2015
Giulia Mangiameli
The matching quality of experimental and control interventions in blinded pharmacological randomised clinical trials: a methodological systematic review
Segun Bello, Maoling Wei, Jørgen Hilden, Asbjørn Hróbjartsson
Applicable or non-applicable: investigations of clinical heterogeneity in systematic reviews
Laura E. Chess, Joel J. Gagnier
Subgroup analyses in confirmatory clinical trials: time to be specific about their purposes
Julien Tanniou, Ingeborg van der Tweel, Steven Teerenstra, Kit C. B. Roes
The use of purposeful sampling in a qualitative evidence synthesis: A worked example on sexual adjustment to a cancer trajectory
Charlotte Benoot, Karin Hannes, Johan Bilsen
Head to head comparison of the propensity score and the high-dimensional propensity score matching methods
Jason R. Guertin, Elham Rahme, Colin R. Dormuth, Jacques LeLorier
Developing a system that can automatically detect health changes using transfer times of older adults
Greet Baldewijns, Stijn Luca, Bart Vanrumste, Tom Croonenborghs
The art and science of study identification: a comparative analysis of two systematic reviews
Laura Rosen, Ruth Suhami
Take the money and run? Redemption of a gift card incentive in a clinician survey
Jane S. Chen, Brian L. Sprague, Carrie N. Klabunde, Anna N. A. Tosteson, Asaf Bitton, Tracy Onega, Charles D. MacLean, Kimberly Harris, Marilyn M. Schapira, Jennifer S. Haas
Comparison of predictive modeling approaches for 30-day all-cause non-elective readmission risk
Liping Tong, Cole Erdmann, Marina Daldalian, Jing Li, Tina Esposito
Mechanisms and mediation in survival analysis: towards an integrated analytical framework
Jonathan Pratschke, Trutz Haase, Harry Comber, Linda Sharp, Marianna de Camargo Cancela, Howard Johnson
A new statistical method for curve group analysis of longitudinal gene expression data illustrated for breast cancer in the NOWAC postgenome cohort as a proof of principle
Eiliv Lund, Lars Holden, Hege Bøvelstad, Sandra Plancade, Nicolle Mode, Clara-Cecilie Günther, Gregory Nuel, Jean-Christophe Thalabard, Marit Holden
Can the buck always be passed to the highest level of clustering?
Christian Bottomley, Matthew J. Kirby, Steve W. Lindsay, Neal Alexander
Erratum to: 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
Confidence intervals construction for difference of two means with incomplete correlated data
Hui-Qiong Li, Nian-Sheng Tang, Jie-Yi Yi
Methods for conducting systematic reviews of risk factors in low- and middle-income countries
Yulia Shenderovich, Manuel Eisner, Christopher Mikton, Frances Gardner, Jianghong Liu, Joseph Murray
Young people’s views about consenting to data linkage: findings from the PEARL qualitative study
Suzanne Audrey, Lindsey Brown, Rona Campbell, Andy Boyd, John Macleod
Meta-analyses including non-randomized studies of therapeutic interventions: a methodological review
Timor Faber, Philippe Ravaud, Carolina Riveros, Elodie Perrodeau, Agnes Dechartres
Bias and precision of methods for estimating the difference in restricted mean survival time from an individual patient data meta-analysis
Béranger Lueza, Federico Rotolo, Julia Bonastre, Jean-Pierre Pignon, Stefan Michiels
Academic pediatric clinical research: factors associated with study implementation duration
Delphine Meier-Girard, Annick Tibi, Hendy Abdoul, Sonia Prot-Labarthe, Françoise Brion, Olivier Bourdon, Corinne Alberti
On the use of propensity scores in case of rare exposure
David Hajage, Florence Tubach, Philippe Gabriel Steg, Deepak L. Bhatt, Yann De Rycke
Validation and reliability of a guideline appraisal mini-checklist for daily practice use
Andrea Siebenhofer, Thomas Semlitsch, Thomas Herborn, Ulrich Siering, Ina Kopp, Johannes Hartig
Utilizing distributional analytics and electronic records to assess timeliness of inpatient blood glucose monitoring in non-critical care wards
Ying Chen, Shih Ling Kao, E-Shyong Tai, Hwee Lin Wee, Eric Yin Hao Khoo, Yilin Ning, Mark Kevin Salloway, Xiaodong Deng, Chuen Seng Tan
Regression models for linking patterns of growth to a later outcome: infant growth and childhood overweight
Andrew K. Wills, Bjørn Heine Strand, Kari Glavin, Richard J. Silverwood, Ragnhild Hovengen
A comparison of methods to adjust for continuous covariates in the analysis of randomised trials
Brennan C. Kahan, Helen Rushton, Tim P. Morris, Rhian M. Daniel
Single time point comparisons in longitudinal randomized controlled trials: power and bias in the presence of missing data
Erin L. Ashbeck, Melanie L. Bell
Bias of health estimates obtained from chronic disease and risk factor surveillance systems using telephone population surveys in Australia: results from a representative face-to-face survey in Australia from 2010 to 2013
Eleonora Dal Grande, Catherine R. Chittleborough, Stefano Campostrini, Anne W. Taylor
Exploring how individuals complete the choice tasks in a discrete choice experiment: an interview study
Jorien Veldwijk, Domino Determann, Mattijs S. Lambooij, Janine A. van Til, Ida J. Korfage, Esther W. de Bekker-Grob, G. Ardine de Wit
Identification of risk factors for hospital admission using multiple-failure survival models: a toolkit for researchers
Leo D. Westbury, Holly E. Syddall, Shirley J. Simmonds, Cyrus Cooper, Avan Aihie Sayer
A scoping review of indirect comparison methods and applications using individual patient data
Areti Angeliki Veroniki, Sharon E. Straus, Charlene Soobiah, Meghan J. Elliott, Andrea C. Tricco
The validity of socioeconomic status measures among adolescents based on self-reported information about parents occupations, FAS and perceived SES; implication for health related quality of life studies
P. Svedberg, J. M. Nygren, C. Staland-Nyman, M. Nyholm
Reliability and criterion validity of self-measured waist, hip, and neck circumferences
Pamela Barrios, Jennifer Martin-Biggers, Virginia Quick, Carol Byrd-Bredbenner
Patient enrollment and logistical problems top the list of difficulties in clinical research: a cross-sectional survey
Stéphane Cullati, Delphine S. Courvoisier, Angèle Gayet-Ageron, Guy Haller, Olivier Irion, Thomas Agoritsas, Sandrine Rudaz, Thomas V. Perneger
Complex intervention modelling should capture the dynamics of adaptation
James Greenwood-Lee, Penelope Hawe, Alberto Nettel-Aguirre, Alan Shiell, Deborah A. Marshall
Implementing a complex rehabilitation intervention in a stroke trial: a qualitative process evaluation of AVERT
Julie A Luker, Louise E Craig, Leanne Bennett, Fiona Ellery, Peter Langhorne, Olivia Wu, Julie Bernhardt
Factors relating to participation in follow-up to the 45 and up study in Aboriginal and non-Aboriginal individuals
Lina Gubhaju, Emily Banks, Rona Macniven, Grace Joshy, Bridgette J. McNamara, Adrian Bauman, Sandra J. Eades
Identification of confounder in epidemiologic data contaminated by measurement error in covariates
Paul H. Lee, Igor Burstyn
Cross-cultural adaptation of the drug-taking confidence questionnaire drug version for use in Brazil
Selene Cordeiro Vasconcelos, Everton Botelho Sougey, Iracema da Silva Frazão, Nigel Ernest Turner, Vânia Pinheiro Ramos, Murilo Duarte da Costa Lima
Using the modified Delphi method to establish clinical consensus for the diagnosis and treatment of patients with rotator cuff pathology
Breda H. Eubank, Nicholas G. Mohtadi, Mark R. Lafave, J. Preston Wiley, Aaron J. Bois, Richard S. Boorman, David M. Sheps
Investigating increased admissions to neonatal intensive care in England between 1995 and 2006: data linkage study using Hospital Episode Statistics
Andrei S. Morgan, Neil Marlow, Kate Costeloe, Elizabeth S. Draper
An evaluation of computerized adaptive testing for general psychological distress: combining GHQ-12 and Affectometer-2 in an item bank for public mental health research
Jan Stochl, Jan R. Böhnke, Kate E. Pickett, Tim J. Croudace
Comparison of non-parametric methods for ungrouping coarsely aggregated data
Silvia Rizzi, Mikael Thinggaard, Gerda Engholm, Niels Christensen, Tom Børge Johannesen, James W. Vaupel, Rune Lindahl-Jacobsen
Validating the generic quality of life tool “QOL10” in a substance use disorder treatment cohort exposes a unique social construct
Ashley E. Muller, Svetlana Skurtveit, Thomas Clausen
Cochrane plain language summaries are highly heterogeneous with low adherence to the standards
Antonia Jelicic Kadic, Mahir Fidahic, Milan Vujcic, Frano Saric, Ivana Propadalo, Ivana Marelja, Svjetlana Dosenovic, Livia Puljak
Minimal important differences for fatigue patient reported outcome measures—a systematic review
Åsa Nordin, Charles Taft, Åsa Lundgren-Nilsson, Anna Dencker
Measurement and control of bias in patient reported outcomes using multidimensional item response theory
N. Maritza Dowling, Daniel M. Bolt, Sien Deng, Chenxi Li
Potential use of telephone surveys for non-communicable disease surveillance in developing countries: evidence from a national household survey in Lebanon
Abla M. Sibai, Lilian A. Ghandour, Rawan Chaaban, Ali H. Mokdad
ODMedit: uniform semantic annotation for data integration in medicine based on a public metadata repository
Martin Dugas, Alexandra Meidt, Philipp Neuhaus, Michael Storck, Julian Varghese
Modeling the oxygen uptake kinetics during exercise testing of patients with chronic obstructive pulmonary diseases using nonlinear mixed models
Florent Baty, Christian Ritz, Arnoldus van Gestel, Martin Brutsche, Daniel Gerhard
Evaluation of a multi-arm multi-stage Bayesian design for phase II drug selection trials – an example in hemato-oncology
Louis Jacob, Maria Uvarova, Sandrine Boulet, Inva Begaj, Sylvie Chevret
Time to publication among completed diagnostic accuracy studies: associated with reported accuracy estimates
Daniël A. Korevaar, Nick van Es, Aeilko H. Zwinderman, Jérémie F. Cohen, Patrick M. M. Bossuyt
Stepped wedge cluster randomised trials: a review of the statistical methodology used and available
D. Barker, P. McElduff, C. D’Este, M. J. Campbell
Should we embed randomized controlled trials within action research: arguing from a case study of telemonitoring
Karen Day, Timothy W. Kenealy, Nicolette F. Sheridan
Erratum to: Bias and precision of methods for estimating the difference in restricted mean survival time from an individual patient data meta-analysis
Béranger Lueza, Federico Rotolo, Julia Bonastre, Jean-Pierre Pignon, Stefan Michiels
Preparing linked population data for research: cohort study of prisoner perinatal health outcomes
Lisa Hilder, Jane R. Walker, Michael H. Levy, Elizabeth A. Sullivan
A simplified approach to estimating the distribution of occasionally-consumed dietary components, applied to alcohol intake
Julia Chernova, Ivonne Solis-Trapala
How large are the consequences of covariate imbalance in cluster randomized trials: a simulation study with a continuous outcome and a binary covariate at the cluster level
Mirjam Moerbeek, Sander van Schie
“A place at the table:” a qualitative analysis of community board members’ experiences with academic HIV/AIDS research
Stella Safo, Chinazo Cunningham, Alice Beckman, Lorlette Haughton, Joanna L. Starrels
Exploring functional data analysis and wavelet principal component analysis on ecstasy (MDMA) wastewater data
Stefania Salvatore, Jørgen G. Bramness, Jo Røislien
Evaluation of the effects of an offer of a monetary incentive on the rate of questionnaire return during follow-up of a clinical trial: a randomised study within a trial
Pollyanna Hardy, Jennifer L. Bell, Peter Brocklehurst, Debra Bick, Annette Briley, Edmund Juszczak, Lynn Lynch, Christine MacArthur, Phillip Moore, Mary Nolan, Felicity Plaat, Julia Sanders, Andrew Shennan, Matt Wilson, Steve Hibbert, Elizabeth Howden, Sawretse Leslie, Amber Gibney, Claire Nelis
How to deal with missing longitudinal data in cost of illness analysis in Alzheimer’s disease—suggestions from the GERAS observational study
Mark Belger, Josep Maria Haro, Catherine Reed, Michael Happich, Kristin Kahle-Wrobleski, Josep Maria Argimon, Giuseppe Bruno, Richard Dodel, Roy W Jones, Bruno Vellas, Anders Wimo
A virtual experimenter to increase standardization for the investigation of placebo effects
Bjoern Horing, Nathan D. Newsome, Paul Enck, Sabarish V. Babu, Eric R. Muth
A comparison of two methods for expert elicitation in health technology assessments
Bogdan Grigore, Jaime Peters, Christopher Hyde, Ken Stein
“I am yet to encounter any survey that actually reflects my life”: a qualitative study of inclusivity in sexual health research
Elise R. Carrotte, Alyce M. Vella, Anna L. Bowring, Caitlin Douglass, Margaret E. Hellard, Megan S. C. Lim
Two new methods to fit models for network meta-analysis with random inconsistency effects
Martin Law, Dan Jackson, Rebecca Turner, Kirsty Rhodes, Wolfgang Viechtbauer
The development of PubMed search strategies for patient preferences for treatment outcomes
Ralph van Hoorn, Wietske Kievit, Andrew Booth, Kati Mozygemba, Kristin Bakke Lysdahl, Pietro Refolo, Dario Sacchini, Ansgar Gerhardus, Gert Jan van der Wilt, Marcia Tummers
How do researchers determine the difference to be detected in superiority trials? Results of a survey from a panel of researchers
Angèle Gayet-Ageron, Anne-Sophie Jannot, Thomas Agoritsas, Sandrine Rudaz, Christophe Combescure, Thomas Perneger
Minimax and admissible adaptive two-stage designs in phase II clinical trials
Guogen Shan, Hua Zhang, Tao Jiang
Dose-response meta-analysis of differences in means
Alessio Crippa, Nicola Orsini
Testing for carryover effects after cessation of treatments: a design approach
S. Gwynn Sturdevant, Thomas Lumley
Measuring inter-rater reliability for nominal data – which coefficients and confidence intervals are appropriate?
Antonia Zapf, Stefanie Castell, Lars Morawietz, André Karch
The effect of a monetary incentive for administrative assistants on the survey response rate: a randomized controlled trial
Arnav Agarwal, Dany Raad, Victor Kairouz, John Fudyma, Anne B. Curtis, Holger J. Schünemann, Elie A. Akl
Once a clinician, always a clinician: a systematic review to develop a typology of clinician-researcher dual-role experiences in health research with patient-participants
E. Jean C. Hay-Smith, Melanie Brown, Lynley Anderson, Gareth J. Treharne
Specialist nurses’ perceptions of inviting patients to participate in clinical research studies: a qualitative descriptive study of barriers and facilitators
Caroline French, Charitini Stavropoulou
Modelling multiple thresholds in meta-analysis of diagnostic test accuracy studies
Susanne Steinhauser, Martin Schumacher, Gerta Rücker
Regional differences in the validity of self-reported use of health care in Belgium: selection versus reporting bias
J. Van der Heyden, R. Charafeddine, D. De Bacquer, J. Tafforeau, K. Van Herck
A systematic review to investigate the measurement properties of goal attainment scaling, towards use in drug trials
Charlotte M. W. Gaasterland, Marijke C. Jansen-van der Weide, Stephanie S. Weinreich, Johanna H. van der Lee
Network or regression-based methods for disease discrimination: a comparison study
Xiaoshuai Zhang, Zhongshang Yuan, Jiadong Ji, Hongkai Li, Fuzhong Xue
Establishing the Canadian HIV Women’s Sexual and Reproductive Health Cohort Study (CHIWOS): Operationalizing Community-based Research in a Large National Quantitative Study
Mona Loutfy, Saara Greene, V. Logan Kennedy, Johanna Lewis, Jamie Thomas-Pavanel, Tracey Conway, Alexandra de Pokomandy, Nadia O’Brien, Allison Carter, Wangari Tharao, Valerie Nicholson, Kerrigan Beaver, Danièle Dubuc, Jacqueline Gahagan, Karène Proulx-Boucher, Robert S. Hogg, Angela Kaida, Aranka Anema, Denise Becker, Lori Brotto, Allison Carter, Claudette Cardinal, Guillaume Colley, Erin Ding, Janice Duddy, Nada Gataric, Robert S. Hogg, Terry Howard, Shahab Jabbari, Evin Jones, Mary Kestler, Andrea Langlois, Viviane Lima, Elisa Lloyd-Smith, Melissa Medjuck, Cari Miller, Deborah Money, Valerie Nicholson, Gina Ogilvie, Sophie Patterson, Neora Pick, Eric Roth, Kate Salters, Margarite Sanchez, Jacquie Sas, Paul Sereda, Marcie Summers, Christina Tom, Clara Wang, Kath Webster, Wendy Zhang, Rahma Abdul-Noor, Jonathan Angel, Fatimatou Barry, Greta Bauer, Kerrigan Beaver, Anita Benoit, Breklyn Bertozzi, Sheila Borton, Tammy Bourque, Jason Brophy, Ann Burchell, Allison Carlson, Lynne Cioppa, Jeffrey Cohen, Tracey Conway, Curtis Cooper, Jasmine Cotnam, Janette Cousineau, Marisol Desbiens, Annette Fraleigh, Brenda Gagnier, Claudine Gasingirwa, Saara Greene, Trevor Hart, Shazia Islam, Charu Kaushic, Logan Kennedy, Desiree Kerr, Maxime Kiboyogo, Gladys Kwaramba, Lynne Leonard, Johanna Lewis, Carmen Logie, Shari Margolese, Marvelous Muchenje, Mary (Muthoni) Ndung’u, Kelly O’Brien, Charlene Ouellette, Jeff Powis, Corinna Quan, Janet Raboud, Anita Rachlis, Edward Ralph, Sean Rourke, Sergio Rueda, Roger Sandre, Fiona Smaill, Stephanie Smith, Tsitsi Tigere, Wangari Tharao, Sharon Walmsley, Wendy Wobeser, Jessica Yee, Mark Yudin, Dada Mamvula Bakombo, Jean-Guy Baril, Nora Butler Burke, Pierrette Clément, Janice Dayle, Danièle Dubuc, Mylène Fernet, Danielle Groleau, Aurélie Hot, Marina Klein, Carrie Martin, Lyne Massie, Brigitte Ménard, Nadia O’Brien, Joanne Otis, Doris Peltier, Alie Pierre, Karène Proulx-Boucher, Danielle Rouleau, Édénia Savoie, Cécile Tremblay, Benoit Trottier, Sylvie Trottier, Christos Tsoukas, Jacqueline Gahagan, Catherine Hankins, Renee Masching, Susanna Ogunnaike-Cooke
A simulation study on matched case-control designs in the perspective of causal diagrams
Hongkai Li, Zhongshang Yuan, Ping Su, Tingting Wang, Yuanyuan Yu, Xiaoru Sun, Fuzhong Xue
The case-crossover design via penalized regression
Sam Doerken, Maja Mockenhaupt, Luigi Naldi, Martin Schumacher, Peggy Sekula
Population cardiovascular health and urban environments: the Heart Healthy Hoods exploratory study in Madrid, Spain
Usama Bilal, Julia Díez, Silvia Alfayate, Pedro Gullón, Isabel del Cura, Francisco Escobar, María Sandín, Manuel Franco
Rasch modelling to deal with changes in the questionnaires used during long-term follow-up of cohort studies: a simulation study
Alexandra Rouquette, Sylvana M. Côté, Jean-Benoit Hardouin, Bruno Falissard
Intention-to-treat and transparency of related practices in randomized, controlled trials of anti-infectives
Robert D. Beckett, Kathryn C. Loeser, Kathryn R. Bowman, Trent G. Towne
A computational approach to compare regression modelling strategies in prediction research
Romin Pajouheshnia, Wiebe R. Pestman, Steven Teerenstra, Rolf H. H. Groenwold
The use of rapid review methods in health technology assessments: 3 case studies
Eva Kaltenthaler, Katy Cooper, Abdullah Pandor, Marrissa Martyn-St. James, Robin Chatters, Ruth Wong
Cohort Multiple Randomised Controlled Trials (cmRCT) design: efficient but biased? A simulation study to evaluate the feasibility of the Cluster cmRCT design
Alexander Pate, Jane Candlish, Matthew Sperrin, Tjeerd Pieter Van Staa
Adapting the nominal group technique for priority setting of evidence-practice gaps in implementation science
Nicole M. Rankin, Deborah McGregor, Phyllis N. Butow, Kate White, Jane L. Phillips, Jane M. Young, Sallie A. Pearson, Sarah York, Tim Shaw
Resuming the discussion of AMSTAR: What can (should) be made better?
Uta Wegewitz, Beate Weikert, Alba Fishta, Anja Jacobs, Dawid Pieper
Time-varying SMART design and data analysis methods for evaluating adaptive intervention effects
Tianjiao Dai, Sanjay Shete
Performance of models for estimating absolute risk difference in multicenter trials with binary outcome
Claudia Pedroza, Van Thi Truong
A systematic approach to designing statistically powerful heteroscedastic 2 × 2 factorial studies while minimizing financial costs
Show-Li Jan, Gwowen Shieh
Managing distance and covariate information with point-based clustering
Peter A. Whigham, Brandon de Graaf, Rashmi Srivastava, Paul Glue
Multiple time scales in modeling the incidence of infections acquired in intensive care units
Martin Wolkewitz, Ben S. Cooper, Mercedes Palomar-Martinez, Francisco Alvarez-Lerma, Pedro Olaechea-Astigarraga, Adrian G. Barnett, Martin Schumacher
Joint modelling of time-to-event and multivariate longitudinal outcomes: recent developments and issues
Graeme L. Hickey, Pete Philipson, Andrea Jorgensen, Ruwanthi Kolamunnage-Dona
Confidence intervals for the between-study variance in random-effects meta-analysis using generalised heterogeneity statistics: should we use unequal tails?
Dan Jackson, Jack Bowden
Searching for the optimal measuring frequency in longitudinal studies -- an example utilizing short message service (SMS) to collect repeated measures among patients with low back pain
Iben Axén, Lennart Bodin
IDGenerator: unique identifier generator for epidemiologic or clinical studies
Matthias Olden, Rolf Holle, Iris M. Heid, Klaus Stark
Combined models for pre- and post-treatment longitudinal biomarker data: an application to CD4 counts in HIV-patients
Oliver T. Stirrup, Abdel G. Babiker, Andrew J. Copas
Onset of persistent pseudomonas aeruginosa infection in children with cystic fibrosis with interval censored data
Wenjie Wang, Ming-Hui Chen, Sy Han Chiou, Hui-Chuan Lai, Xiaojing Wang, Jun Yan, Zhumin Zhang
Predictor characteristics necessary for building a clinically useful risk prediction model: a simulation study
Laura Schummers, Katherine P. Himes, Lisa M. Bodnar, Jennifer A. Hutcheon
Feasibility and validity of a statistical adjustment to reduce self-report bias of height and weight in wave 1 of the Add Health study
Janet M. Liechty, Xuan Bi, Annie Qu
Description and initial evaluation of incorporating electronic follow-up of study participants in a longstanding multisite cohort study
Kiarri N. Kershaw, Kiang Liu, David C. Goff Jr., Donald M. Lloyd-Jones, Laura J. Rasmussen-Torvik, Jared P. Reis, Pamela J. Schreiner, Daniel B. Garside, Stephen Sidney
The use of relative incidence ratios in self-controlled case series studies: an overview
Steven Hawken, Beth K. Potter, Julian Little, Eric I. Benchimol, Salah Mahmud, Robin Ducharme, Kumanan Wilson
The contribution of databases to the results of systematic reviews: a cross-sectional study
Lisa Hartling, Robin Featherstone, Megan Nuspl, Kassi Shave, Donna M. Dryden, Ben Vandermeer
Improving prediction models with new markers: a comparison of updating strategies
D. Nieboer, Y. Vergouwe, Danna P. Ankerst, Monique J. Roobol, Ewout W. Steyerberg
Adjusting for overdispersion in piecewise exponential regression models to estimate excess mortality rate in population-based research
Miguel Angel Luque-Fernandez, Aurélien Belot, Manuela Quaresma, Camille Maringe, Michel P. Coleman, Bernard Rachet
Improving measurement-invariance assessments: correcting entrenched testing deficiencies
Leslie A. Hayduk
Methods for network meta-analysis of continuous outcomes using individual patient data: a case study in acupuncture for chronic pain
Pedro Saramago, Beth Woods, Helen Weatherly, Andrea Manca, Mark Sculpher, Kamran Khan, Andrew J. Vickers, Hugh MacPherson
Measurement of adherence in a randomised controlled trial of a complex intervention: supported self-management for adults with learning disability and type 2 diabetes
Liz Graham, Judy Wright, Rebecca Walwyn, Amy M. Russell, Louise Bryant, Amanda Farrin, Allan House
Mechanisms and direction of allocation bias in randomised clinical trials
Asger Paludan-Müller, David Ruben Teindl Laursen, Asbjørn Hróbjartsson
A consumer register: an acceptable and cost-effective alternative for accessing patient populations
Jamie Bryant, Rob Sanson-Fisher, Elizabeth Fradgley, Breanne Hobden, Alison Zucca, Frans Henskens, Andrew Searles, Brad Webb, Christopher Oldmeadow
A P-value model for theoretical power analysis and its applications in multiple testing procedures
Fengqing Zhang, Jiangtao Gou
Impact of socioeconomic inequalities on geographic disparities in cancer incidence: comparison of methods for spatial disease mapping
Juste Aristide Goungounga, Jean Gaudart, Marc Colonna, Roch Giorgi
Differences in reported sepsis incidence according to study design: a literature review
Saga Elise Mariansdatter, Andreas Halgreen Eiset, Kirstine Kobberøe Søgaard, Christian Fynbo Christiansen
Abstracts reporting of HIV/AIDS randomized controlled trials in general medicine and infectious diseases journals: completeness to date and improvement in the quality since CONSORT extension for abstracts
Jean Joel R. Bigna, Jean Jacques N. Noubiap, Serra Lem Asangbeh, Lewis N. Um, Paule Sandra D. Sime, Elvis Temfack, Mathurin Cyrille Tejiokem
A method for sensitivity analysis to assess the effects of measurement error in multiple exposure variables using external validation data
George O. Agogo, Hilko van der Voet, Pieter van ’t Veer, Pietro Ferrari, David C. Muller, Emilio Sánchez-Cantalejo, Christina Bamia, Tonje Braaten, Sven Knüppel, Ingegerd Johansson, Fred A. van Eeuwijk, Hendriek C. Boshuizen
Rationale and design of mDOT-HuA study: a randomized trial to assess the effect of mobile-directly observed therapy on adherence to hydroxyurea in adults with sickle cell anemia in Tanzania
Abel Makubi, Philip Sasi, Mariam Ngaeje, Enrico M. Novelli, Bruno P. Mmbando, Mark T. Gladwin, Julie Makani
Health Equity Assessment Toolkit (HEAT): software for exploring and comparing health inequalities in countries
Ahmad Reza Hosseinpoor, Devaki Nambiar, Anne Schlotheuber, Daniel Reidpath, Zev Ross
www.common-metrics.org: a web application to estimate scores from different patient-reported outcome measures on a common scale
H. Felix Fischer, Matthias Rose
Application of a nonrandomized stepped wedge design to evaluate an evidence-based quality improvement intervention: a proof of concept using simulated data on patient-centered medical homes
Alexis K. Huynh, Martin L. Lee, Melissa M. Farmer, Lisa V. Rubenstein
Assessment of predictive performance in incomplete data by combining internal validation and multiple imputation
Simone Wahl, Anne-Laure Boulesteix, Astrid Zierer, Barbara Thorand, Mark A. van de Wiel
Why sex and gender matter in implementation research
Cara Tannenbaum, Lorraine Greaves, Ian D. Graham
Comparing two sampling methods to engage hard-to-reach communities in research priority setting
Melissa A. Valerio, Natalia Rodriguez, Paula Winkler, Jaime Lopez, Meagen Dennison, Yuanyuan Liang, Barbara J. Turner
Statistical methodology for age-adjustment of the GH-2000 score detecting growth hormone misuse
Dankmar Böhning, Walailuck Böhning, Nishan Guha, David A. Cowan, Peter H. Sönksen, Richard I. G. Holt
A comparison of time dependent Cox regression, pooled logistic regression and cross sectional pooling with simulations and an application to the Framingham Heart Study
Julius S. Ngwa, Howard J. Cabral, Debbie M. Cheng, Michael J. Pencina, David R. Gagnon, Michael P. LaValley, L. Adrienne Cupples
Autoregressive transitional ordinal model to test for treatment effect in neurological trials with complex endpoints
Lorenzo G. Tanadini, John D. Steeves, Armin Curt, Torsten Hothorn
Inverse probability weighting to estimate causal effect of a singular phase in a multiphase randomized clinical trial for multiple myeloma
Annalisa Pezzi, Michele Cavo, Annibale Biggeri, Elena Zamagni, Oriana Nanni
Design and development of the Australian and New Zealand (ANZ) myeloma and related diseases registry
Krystal Bergin, Elizabeth Moore, Zoe McQuilten, Erica Wood, Bradley Augustson, Hilary Blacklock, Joy Ho, Noemi Horvath, Tracy King, John McNeil, Peter Mollee, Hang Quach, Christopher M. Reid, Brian Rosengarten, Patricia Walker, Andrew Spencer
Erratum to: A Monte Carlo simulation study comparing linear regression, beta regression, variable-dispersion beta regression and fractional logit regression at recovering average difference measures in a two sample design
Christopher Meaney, Rahim Moineddin
Defining the clinical pathway in cochrane diagnostic test accuracy reviews
G. Gopalakrishna, Miranda W. Langendam, Rob J. P. M. Scholten, Patrick M. M. Bossuyt, Mariska M. G. Leeflang
Least absolute shrinkage and selection operator type methods for the identification of serum biomarkers of overweight and obesity: simulation and application
Monica M. Vasquez, Chengcheng Hu, Denise J. Roe, Zhao Chen, Marilyn Halonen, Stefano Guerra
National weighting of data from the Behavioral Risk Factor Surveillance System (BRFSS)
Ronaldo Iachan, Carol Pierannunzi, Kristie Healey, Kurt J. Greenlund, Machell Town
Improving incidence estimation in practice-based sentinel surveillance networks using spatial variation in general practitioner density
Cécile Souty, Pierre-Yves Boëlle
Does size really matter? A sensitivity analysis of number of seeds in a respondent-driven sampling study of gay, bisexual and other men who have sex with men in Vancouver, Canada
Nathan John Lachowsky, Justin Tyler Sorge, Henry Fisher Raymond, Zishan Cui, Paul Sereda, Ashleigh Rich, Eric A. Roth, Robert S. Hogg, David M. Moore
Using cognitive pre-testing methods in the development of a new evidenced-based pressure ulcer risk assessment instrument
S. Coleman, J. Nixon, J. Keen, D. Muir, L. Wilson, E. McGinnis, N. Stubbs, C. Dealey, E. A. Nelson
Common data elements for secondary use of electronic health record data for clinical trial execution and serious adverse event reporting
Philipp Bruland, Mark McGilchrist, Eric Zapletal, Dionisio Acosta, Johann Proeve, Scott Askin, Thomas Ganslandt, Justin Doods, Martin Dugas
Predictors of in-hospital mortality following major lower extremity amputations in type 2 diabetic patients using artificial neural networks
Ana Lopez-de-Andres, Valentin Hernandez-Barrera, Roberto Lopez, Pablo Martin-Junco, Isabel Jimenez-Trujillo, Alejandro Alvaro-Meca, Miguel Angel Salinero-Fort, Rodrigo Jimenez-Garcia
Optimizing literature search in systematic reviews – are MEDLINE, EMBASE and CENTRAL enough for identifying effect studies within the area of musculoskeletal disorders?
Thomas Aagaard, Hans Lund, Carsten Juhl
Conducting a large, multi-site survey about patients’ views on broad consent: challenges and solutions
Maureen E. Smith, Saskia C. Sanderson, Kyle B. Brothers, Melanie F. Myers, Jennifer McCormick, Sharon Aufox, Martha J. Shrubsole, Nanibaá A. Garrison, Nathaniel D. Mercaldo, Jonathan S. Schildcrout, Ellen Wright Clayton, Armand H. Matheny Antommaria, Melissa Basford, Murray Brilliant, John J. Connolly, Stephanie M. Fullerton, Carol R. Horowitz, Gail P. Jarvik, Dave Kaufman, Terri Kitchner, Rongling Li, Evette J. Ludman, Catherine McCarty, Valerie McManus, Sarah Stallings, Janet L. Williams, Ingrid A. Holm
No rationale for 1 variable per 10 events criterion for binary logistic regression analysis
Maarten van Smeden, Joris A. H. de Groot, Karel G. M. Moons, Gary S. Collins, Douglas G. Altman, Marinus J. C. Eijkemans, Johannes B. Reitsma
Erratum to: Statistical methodology for age-adjustment of the GH-2000 score detecting growth hormone misuse
Dankmar Böhning, Walailuck Böhning, Nishan Guha, David A. Cowan, Peter H. Sönksen, Richard I. G. Holt
Recommendations for the analysis of individually randomised controlled trials with clustering in one arm – a case of continuous outcomes
Laura Flight, Annabel Allison, Munyaradzi Dimairo, Ellen Lee, Laura Mandefield, Stephen J. Walters
Drug*placebo interaction effect may bias clinical trials interpretation: hybrid balanced placebo and randomized placebo-controlled design
Muhammad M. Hammami, Safa Hammami, Reem Al-Swayeh, Eman Al-Gaai, Faduma Abdi Farah, Sophia J. S. De Padua
ImpRess: an Implementation Readiness checklist developed using a systematic review of randomised controlled trials assessing cognitive stimulation for dementia
Amy Streater, Aimee Spector, Elisa Aguirre, Jacki Stansfeld, Martin Orrell
Joint models for longitudinal and time-to-event data: a review of reporting quality with a view to meta-analysis
Maria Sudell, Ruwanthi Kolamunnage-Dona, Catrin Tudur-Smith
Sexual Health questions included in the Health Behaviour in School-aged Children (HBSC) Study: an international methodological pilot investigation
Honor Young, András Költő, Marta Reis, Elizabeth M. Saewyc, Nathalie Moreau, Lorraine Burke, Alina Cosma, Béat Windlin, Saoirse Nic Gabhainn, Emmanuelle Godeau
Erratum to: Assessment of predictive performance in incomplete data by combining internal validation and multiple imputation
Simone Wahl, Anne-Laure Boulesteix, Astrid Zierer, Barbara Thorand, Mark A. van de Wiel
Inter-rater reliability of the QuIS as an assessment of the quality of staff-inpatient interactions
Ines Mesa-Eguiagaray, Dankmar Böhning, Chris McLean, Peter Griffiths, Jackie Bridges, Ruth M Pickering
A comparative study: classification vs. user-based collaborative filtering for clinical prediction
Fang Hao, Rachael Hageman Blair
Multiple and mixed methods in formative evaluation: Is more better? Reflections from a South African study
Willem Odendaal, Salla Atkins, Simon Lewin
Can longitudinal generalized estimating equation models distinguish network influence and homophily? An agent-based modeling approach to measurement characteristics
Kori Sauser Zachrison, Theodore J. Iwashyna, Achamyeleh Gebremariam, Meghan Hutchins, Joyce M Lee