| Ref ID | 443 |
| First Author | O. Barcot |
| Journal | BMC MEDICAL RESEARCH METHODOLOGY |
| Year Of Publishing | 2019 |
| URL | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6683577/pdf/12874_2019_Article_804.pdf |
| Keywords |
• Cochrane • Risk of bias • General medical |
| Problem(s) |
• Flawed risk of bias undertaken • Weaknesses identified in some Cochrane reviews |
| Article Type | Empirical |
| Article Subtype | Cross-sectional survey/Methodological systematic review |
| First Author Country | Croatia |
| Checklists |
• Cochrane Risk of Bias |
| Aim | To assess adequacy of judgments about risk of bias for blinding of participants and personnel (performance bias) in Cochrane systematic reviews published between July 2015 to June 2016. |
| Level of Investigation | Descriptive |
| Summary of Findings | 26% of judgements regarding included trials for performance bias were not in line with the Cochrane Handbook and were therefore considered inadequate. Particularly high number of discrepancies when Cochrane authors judged the risk as low, mostly because Cochrane authors accepted statements such as ‘‘double blind’’ and ‘‘placebo’’ as sufficient proof for this domain. |
| Number of systematic reviews included | 718 |
| Number of eligible systematic reviews assessed | 955 |