Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

142 questions · 148 findings · 15 reviews

No studies found 64 · 43.2%GRADE not reported 2 · 1.4%Very low 33 · 22.3%Low 29 · 19.6%Moderate 18 · 12.2%High 2 · 1.4%