The Cochrane Collaboration's tool for assessing risk of bias in randomised trials

Julian P. T. Higgins(MRC Biostatistics Unit), Doug Altman(University of Oxford), Peter C Gøtzsche(Cochrane), Peter Jüni(Institute of Social and Preventive Medicine), David Moher(University of Ottawa), Andrew D Oxman(Nasjonalt Kunnskapssenter for Helsetjenesten), Jelena Savović(University of Bristol), Kenneth F. Schulz(Family Health International 360), Laura Weeks(Ottawa Hospital Research Institute), Jonathan A C Sterne(University of Bristol), Cochrane Bias Methods Group, Cochrane Statistical Methods Group
BMJ
October 18, 2011
Cited by 34,031Open Access
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Abstract

Flaws in the design, conduct, analysis, and reporting of randomised trials can cause the effect of an intervention to be underestimated or overestimated. The Cochrane Collaboration’s tool for assessing risk of bias aims to make the process clearer and more accurate


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