Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

178 questions · 179 findings · 80 reviews

No studies found 104 · 58.1%GRADE not reported 6 · 3.4%Very low 18 · 10.1%Low 31 · 17.3%Moderate 16 · 8.9%High 4 · 2.2%