Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,773 questions · 1,817 findings · 212 reviews · Headline outcomes only

No studies found 383 · 21.1%GRADE not reported 192 · 10.6%Very low 472 · 26%Low 444 · 24.4%Moderate 228 · 12.5%High 98 · 5.4%

Intervention not reported

Death (at one month) · participants ventilated by one‐lung

It is very uncertain whether the intervention changes death (at one month) (very low certainty).

1 finding from 1 review