Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

103 questions · 104 findings · 14 reviews

No studies found 33 · 31.7%GRADE not reported 3 · 2.9%Very low 23 · 22.1%Low 29 · 27.9%Moderate 14 · 13.5%High 2 · 1.9%