- Framework of problems / Rigourous
- Lack of guidance or consistency in systematic overview / umbrella / review of systematic reviews
- Overviews of reviews often have limited rigor: a systematic review
|JOURNAL OF CLINICAL EPIDEMIOLOGY
|Year Of Publishing
Risk of bias
Low methodological quality
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
|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?
|Are the methods of the article described in enough detail to replicate the study?