Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

81 questions · 92 findings · 8 reviews

No studies found 29 · 31.5%GRADE not reported 1 · 1.1%Very low 27 · 29.3%Low 22 · 23.9%Moderate 10 · 10.9%High 3 · 3.3%