Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

317 questions · 317 findings · 33 reviews · Anaesthesia

No studies found 49 · 15.5%GRADE not reported 109 · 34.4%Very low 68 · 21.5%Low 69 · 21.8%Moderate 16 · 5%High 6 · 1.9%