Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

194 questions · 194 findings · 20 reviews

No studies found 72 · 37.1%GRADE not reported 15 · 7.7%Very low 46 · 23.7%Low 46 · 23.7%Moderate 14 · 7.2%High 1 · 0.5%