RoB 2: a revised tool for assessing risk of bias in randomised trials

Assessment of risk of bias is regarded as an essential component of a systematic review on the effects of an intervention. The most commonly used tool for randomised trials is the Cochrane risk-of-bias tool. We updated the tool to respond to developments in understanding how bias arises in randomise...

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Veröffentlicht in:	BMJ (Online) 2019-08, Vol.366, p.l4898-l4898
Hauptverfasser:	Sterne, Jonathan A C, Savović, Jelena, Page, Matthew J, Elbers, Roy G, Blencowe, Natalie S, Boutron, Isabelle, Cates, Christopher J, Cheng, Hung-Yuan, Corbett, Mark S, Eldridge, Sandra M, Emberson, Jonathan R, Hernán, Miguel A, Hopewell, Sally, Hróbjartsson, Asbjørn, Junqueira, Daniela R, Jüni, Peter, Kirkham, Jamie J, Lasserson, Toby, Li, Tianjing, McAleenan, Alexandra, Reeves, Barnaby C, Shepperd, Sasha, Shrier, Ian, Stewart, Lesley A, Tilling, Kate, White, Ian R, Whiting, Penny F, Higgins, Julian P T
Format:	Artikel
Sprache:	eng
Schlagworte:	Bias Clinical trials Epidemiology Evidence-based medicine Research Design Research methodology Research Methods & Reporting Systematic review
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Beschreibung
Zusammenfassung:	Assessment of risk of bias is regarded as an essential component of a systematic review on the effects of an intervention. The most commonly used tool for randomised trials is the Cochrane risk-of-bias tool. We updated the tool to respond to developments in understanding how bias arises in randomised trials, and to address user feedback on and limitations of the original tool.
ISSN:	0959-8138 1756-1833
DOI:	10.1136/bmj.l4898