Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

124 questions · 132 findings · 20 reviews

No studies found 28 · 21.2%GRADE not reported 14 · 10.6%Very low 23 · 17.4%Low 45 · 34.1%Moderate 19 · 14.4%High 3 · 2.3%