Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

107 questions · 109 findings · 12 reviews

No studies found 23 · 21.1%GRADE not reported 5 · 4.6%Very low 19 · 17.4%Low 38 · 34.9%Moderate 22 · 20.2%High 2 · 1.8%