Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

100 questions · 106 findings · 12 reviews

No studies found 20 · 18.9%GRADE not reported 5 · 4.7%Very low 43 · 40.6%Low 26 · 24.5%Moderate 8 · 7.5%High 4 · 3.8%