Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

63 questions · 63 findings · 9 reviews · Anaesthesia

No studies found 22 · 34.9%GRADE not reported 7 · 11.1%Very low 15 · 23.8%Low 10 · 15.9%Moderate 6 · 9.5%High 3 · 4.8%