Chen, et al, 2023 Umbrella Review of Systematic Reviews and Meta-analysis NOTE: Varying Levels of Study Quality and Very Low to Low Quality of Evidence

• AMSTAR 2 as a measurement tool to assess the methodological quality of systematic reviews
• GRADE tool to evaluate the quality of evidence.

https://pmc.ncbi.nlm.nih.gov/articles/PMC11314258/

(Chen, et al., 2023)