Overviews of reviews often have limited rigor: a systematic review

Ref ID 612
First Author D. Pieper
Year Of Publishing 2012
URL https://www.jclinepi.com/article/S0895-4356(12)00208-9/pdf
Keywords Risk of bias
General medical
Low methodological quality
Overviews/Umbrella Reviews
Problem(s) Low methodological (AMSTAR) quality
No quality assessment undertaken or reported
Lack of guidance or consistency in systematic overview / umbrella / review of systematic reviews
Number of systematic reviews included 126
Summary of Findings Approximately one-third of the 126 included overviews did not perform quality assessment. Strategies to deal with discordant reviews were reported in 5% of the overviews. Searches for additional primary studies were conducted in 5% of the overviews.
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? Yes