Global mapping of overviews of systematic reviews in healthcare published between 2000 and 2020: a bibliometric analysis.

Objective: To conduct a bibliometric analysis using a large sample of overviews of systematic reviews (OoSRs) and reveal research trends and areas of interest about these studies.

Study Design And Setting: We searched MEDLINE, Scopus and Cochrane Database of Systematic Reviews from 1/1/2000 to 15/10/2020. We used Scopus meta-data and two authors recorded supplementary information independently.