Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

87 questions · 95 findings · 7 reviews

No studies found 17 · 17.9%GRADE not reported 27 · 28.4%Very low 16 · 16.8%Low 29 · 30.5%Moderate 4 · 4.2%High 2 · 2.1%