Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

27 questions · 29 findings · 4 reviews · Headline outcomes only

No studies found 2 · 6.9%GRADE not reported 2 · 6.9%Very low 8 · 27.6%Low 14 · 48.3%Moderate 3 · 10.3%High 0 · 0%