… An umbrella review, which collects and evaluates evidence from … We carried out an umbrella
review of meta-analyses of … of randomised controlled trials, and Mendelian randomisation …

… To provide an overview of the breadth and validity of the claimed associations of vitamin
D with diverse outcomes, we have done an umbrella review of the evidence across existing …

… using quantitative umbrella review criteria, and credibility of evidence was assessed using
… an umbrella review methodology to systematically review all available reviews on the topic. …

… In conclusion, this umbrella review provides a comprehensive resume of the published meta…
status of evidence. To date, the scientific literature has identified robust evidence for overall …

… In this umbrella review of prehabilitation in adult patients undergoing surgery, we found
evidence of beneficial effects of prehabilitation in decreasing complications, improving functional …

… Using an umbrella review of systematic reviews and meta-analyses of randomised controlled
trials, we sought to examine the body of evidence on the clinical effectiveness of 10 of the …

… Evaluation of the strength of evidence We graded the strength of the evidence in the reported
associations for observational studies using several criteria (see appendix 1 and previous …

… We acknowledge the body of evidence we have summarized in this umbrella review is …
of evidence can be a strength of this umbrella review. Nevertheless, this umbrella review has …

… is the first umbrella review to comprehensively … umbrella review of meta-analyses, we
examined 232 unique estimates of ten classes of diabetes drugs with varying levels of evidence…

… review the use of pooled vs treatment-specific effect size estimates. Second, we will systematically
review … Third, we will critically interpret the umbrella review findings to inform the next …