| Ref ID | 75 |
| First Author | A. Babic |
| Journal | BMC MEDICAL RESEARCH METHODOLOGY |
| Year Of Publishing | 2019 |
| URL | https://bmcmedresmethodol.biomedcentral.com/articles/10.1186/s12874-019-0717-9#citeas |
| Keywords |
• Risk of bias • General medical • Cochrane |
| 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 |
| Aim | To assess consistency of judgments and support for judgments of blinding of participants and personnel in Cochrane systematic reviews of interventions published in the Cochrane Database of Systematic Reviews from July 2015 to June 2016. |
| Level of Investigation | Descriptive |
| Summary of Findings | In Cochrane reviews, risk of bias assessments for blinding of participants and personnel were frequently not in line with Cochrane Handbook recommendations. From 718 included Cochrane reviews, 1,828 out of 6,918 judgments (26%) for performance bias were not in line with the Cochrane Handbook and were therefore considered inadequate. More accurate judgments were deemed possible to be made if the performance bias domain is by default split into two subdomains, for participants and personnel. |
| Number of systematic reviews included | 718 |
| Number of eligible systematic reviews assessed | 955 |