Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

33 questions · 34 findings · 5 reviews · Headline outcomes only

No studies found 10 · 29.4%GRADE not reported 3 · 8.8%Very low 8 · 23.5%Low 4 · 11.8%Moderate 7 · 20.6%High 2 · 5.9%