Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

41 questions · 41 findings · 20 reviews

No studies found 6 · 14.6%GRADE not reported 4 · 9.8%Very low 17 · 41.5%Low 7 · 17.1%Moderate 5 · 12.2%High 2 · 4.9%