Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

181 questions · 196 findings · 16 reviews

No studies found 33 · 16.8%GRADE not reported 6 · 3.1%Very low 65 · 33.2%Low 52 · 26.5%Moderate 29 · 14.8%High 11 · 5.6%