Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

183 questions · 195 findings · 14 reviews

No studies found 51 · 26.2%GRADE not reported 17 · 8.7%Very low 53 · 27.2%Low 51 · 26.2%Moderate 19 · 9.7%High 4 · 2.1%