Selective reporting bias of harm outcomes within studies: findings from a cohort of systematic reviews

Ref ID 466
First Author P. Saini
Journal BMJ
Year Of Publishing 2014
URL https://www.bmj.com/content/bmj/349/bmj.g6501.full.pdf
Keywords • Harms
• Cochrane
Problem(s) • Selective reporting of harms / safety / adverse events / side effects
• Reliance on randomised controlled trials for harms / safety data
Article Type Empirical
Article Subtype Cross-sectional survey/Methodological systematic review
First Author Country United Kingdom
Aim To assess selective non-reporting of harm outcomes in clinical studies that were eligible for inclusion in both Cochrane and non-Cochrane systematic reviews published between 2007-2013.
Level of Investigation Descriptive
Summary of Findings 86% of 92 included Cochrane reviews and 76% of 230 non-Cochrane reviews, did not include full data from the main harm outcome of interest of each review for all of the eligible studies included within that review.
Number of systematic reviews included 322
Number of eligible systematic reviews assessed 473
Treatment impacted No
Treatment impacted description
Interpretation impacted Not Applicable
Interpretation impacted description