Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

37 questions · 37 findings · 15 reviews · Headline outcomes only

No studies found 28 · 75.7%GRADE not reported 0 · 0%Very low 1 · 2.7%Low 3 · 8.1%Moderate 5 · 13.5%High 0 · 0%