External factors may influence Cochrane reviewers when classifying therisk of bias of original reports

Ref ID 668
First Author L. Bertizzolo
Journal JOURNAL OF CLINICAL EPIDEMIOLOGY
Year Of Publishing 2020
URL https://dx.doi.org/10.1016/j.jclinepi.2020.03.008
Keywords • Cochrane
• Author
• Allegiance
• Risk of bias
• General medical
Problem(s) • Flawed risk of bias undertaken
• Non-financial conflicts of interest of review authors
Article Type Empirical
Article Subtype Cross-sectional survey/Methodological systematic review
First Author Country France
Aim To assess contextual factors of risk of bias judgements from 304 randomized controlled trials included in two Cochrane reviews
Level of Investigation Analytical
Summary of Findings From two included Cochrane reviews with overlapping studies, review authors being also authors of the RCT were more likely to assess an item at low risk of bias than unclear
Number of systematic reviews included 2
Number of eligible systematic reviews assessed 376
Treatment impacted No
Treatment impacted description
Interpretation impacted Not Applicable
Interpretation impacted description