Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

121 questions · 128 findings · 12 reviews

No studies found 34 · 26.6%GRADE not reported 2 · 1.6%Very low 37 · 28.9%Low 38 · 29.7%Moderate 15 · 11.7%High 2 · 1.6%