Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,352 questions · 1,400 findings · 169 reviews

No studies found 309 · 22.1%GRADE not reported 115 · 8.2%Very low 350 · 25%Low 324 · 23.1%Moderate 240 · 17.1%High 62 · 4.4%