Bias

Empirical evidence of the impact of study characteristics on the performance of prediction models: a meta-epidemiological study
Johanna A A G Damen, Thomas P A Debray, Romin Pajouheshnia, Johannes B Reitsma, Rob J P M Scholten, Karel G M Moons, Lotty Hooft

BMJ Open Apr 2019, 9 (4) e026160; DOI: 10.1136/bmjopen-2018-026160
Did psychosocial status, sociodemographics and smoking status affect non-attendance in control participants in the Danish Lung Cancer Screening Trial? A nested observational study
Jessica Malmqvist, Volkert Siersma, Hanne Thorsen, Bruno Heleno, Jakob Fraes Rasmussen, John Brodersen

BMJ Open Feb 2020, 10 (2) e030871; DOI: 10.1136/bmjopen-2019-030871
Article placement order in rheumatology journals: a content analysis
Sarah Stewart, Greg Gamble, Andrew Grey, Nicola Dalbeth

BMJ Open Jun 2020, 10 (6) e034550; DOI: 10.1136/bmjopen-2019-034550
Association of industry ties with outcomes of studies examining the effect of wholegrain foods on cardiovascular disease and mortality: systematic review and meta-analysis
Nicholas Chartres, Alice Fabbri, Sally McDonald, Jessica Turton, Margaret Allman-Farinelli, Joanne McKenzie, Lisa Bero

BMJ Open May 2019, 9 (5) e022912; DOI: 10.1136/bmjopen-2018-022912
Simulation study to demonstrate biases created by diagnostic criteria of mental illnesses: major depressive episodes, dysthymia, and manic episodes
Yi-Sheng Chao, Kuan-Fu Lin, Chao-Jung Wu, Hsing-Chien Wu, Hui-Ting Hsu, Lien-Cheng Tsao, Yen-Po Cheng, Yi-Chun Lai, Wei-Chih Chen

BMJ Open Nov 2020, 10 (11) e037022; DOI: 10.1136/bmjopen-2020-037022
Risk of bias and reporting completeness of randomised controlled trials in burn care: protocol for a systematic review
Amber Young, Barnaby C Reeves, Hung-Yuan Cheng, Jason Wasiak, Duncan Muir, Anna Davies, Jane Blazeby

BMJ Open Dec 2019, 9 (12) e033472; DOI: 10.1136/bmjopen-2019-033472
Statistical analysis and handling of missing data in cluster randomised trials: protocol for a systematic review
Mallorie Fiero, Shuang Huang, Melanie L Bell

BMJ Open May 2015, 5 (5) e007378; DOI: 10.1136/bmjopen-2014-007378
A method-comparison study regarding the validity and reliability of the Lactate Plus analyzer
Sarah Hart, Kathryn Drevets, Micah Alford, Amanda Salacinski, Brian E Hunt

BMJ Open Jan 2013, 3 (2) e001899; DOI: 10.1136/bmjopen-2012-001899
Does a research article's country of origin affect perception of its quality and relevance? A national trial of US public health researchers
M Harris, J Macinko, G Jimenez, M Mahfoud, C Anderson

BMJ Open Dec 2015, 5 (12) e008993; DOI: 10.1136/bmjopen-2015-008993
Spin in RCTs of anxiety medication with a positive primary outcome: a comparison of concerns expressed by the US FDA and in the published literature
Lian Beijers, Bertus F Jeronimus, Erick H Turner, Peter de Jonge, Annelieke M Roest

BMJ Open Mar 2017, 7 (3) e012886; DOI: 10.1136/bmjopen-2016-012886

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