Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

47 questions · 51 findings · 9 reviews

No studies found 4 · 7.8%GRADE not reported 5 · 9.8%Very low 18 · 35.3%Low 15 · 29.4%Moderate 7 · 13.7%High 2 · 3.9%