Findings

What do systematic reviews say?

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

159 questions · 168 findings · 21 reviews

No studies found 40 · 23.8%GRADE not reported 15 · 8.9%Very low 45 · 26.8%Low 33 · 19.6%Moderate 30 · 17.9%High 5 · 3%