Investing in updating: how do conclusions change when Cochrane systematic reviews are updated?

Ref ID 433
First Author S. D. French
Journal BMC MEDICAL RESEARCH METHODOLOGY
Year Of Publishing 2005
URL https://bmcmedresmethodol.biomedcentral.com/articles/10.1186/1471-2288-5-33
Keywords Cochrane
General medical
Currency
Problem(s) Not updated regularly
Number of systematic reviews included 362
Summary of Findings 70% of included reviews had been updated. Of these updated reviews 9% had a change in conclusion. Both an increase in precision and a change in statistical significance of the primary outcome were predictive of a change in conclusion of the review.
Did the article find that the problem(s) led to qualitative changes in interpretation of the results? Yes
Are the methods of the article described in enough detail to replicate the study? Yes