Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

50 questions · 51 findings · 3 reviews · Headline outcomes only

No studies found 25 · 49%GRADE not reported 0 · 0%Very low 20 · 39.2%Low 2 · 3.9%Moderate 4 · 7.8%High 0 · 0%