Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

29 questions · 29 findings · 13 reviews · Headline outcomes only

No studies found 11 · 37.9%GRADE not reported 3 · 10.3%Very low 6 · 20.7%Low 7 · 24.1%Moderate 2 · 6.9%High 0 · 0%