Risk of bias tools in systematic reviews of health interventions: an analysis of PROSPERO-registered protocols

Abstract Background Systematic reviews of health interventions are increasingly incorporating evidence outside of randomized controlled trials (RCT). While non-randomized study (NRS) types may be more prone to bias compared to RCT, the tools used to evaluate risk of bias (RoB) in NRS are less straig...

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Bibliographic Details
Main Authors: Kelly Farrah, Kelsey Young, Matthew C. Tunis, Linlu Zhao
Format: Article
Published: BMC 2019-11-01
Series:Systematic Reviews
Online Access:http://link.springer.com/article/10.1186/s13643-019-1172-8