Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

32 questions · 33 findings · 6 reviews · Headline outcomes only

No studies found 3 · 9.1%GRADE not reported 1 · 3%Very low 12 · 36.4%Low 15 · 45.5%Moderate 2 · 6.1%High 0 · 0%