An observational study found large methodological heterogeneity in systematic reviews addressing prevalence and cumulative incidence

Ref ID 341
First Author F. Hoffmann
Journal JOURNAL OF CLINICAL EPIDEMIOLOGY
Year Of Publishing 2020
URL https://pubmed.ncbi.nlm.nih.gov/31809847/
Keywords Protocols
Risk of bias
Language
General medical
Problem(s) No registered or published protocol
No quality assessment undertaken or reported
Number of systematic reviews included 215
Summary of Findings Few included reviews were registered with PROSPERO (5.6%). One-quarter considered articles without languages restrictions (25.1%). Regional restrictions of included studies were applied in 22.8%. 49.3% of reviews assessed risk of bias or study quality.
Did the article find that the problem(s) led to qualitative changes in interpretation of the results? Not Applicable
Are the methods of the article described in enough detail to replicate the study? No