Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

245 questions · 245 findings · 20 reviews · Public Health

No studies found 55 · 22.4%GRADE not reported 26 · 10.6%Very low 92 · 37.6%Low 54 · 22%Moderate 18 · 7.3%High 0 · 0%