Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,454 questions · 3,562 findings · 816 reviews · Headline outcomes only

No studies found 538 · 15.1%GRADE not reported 239 · 6.7%Very low 933 · 26.2%Low 1,041 · 29.2%Moderate 612 · 17.2%High 199 · 5.6%

Intervention not reported

30‐day mortality4 · individuals with atrial fibrillation who are undergoing cardiac surgery

The intervention showed no clear difference in 30‐day mortality4 (low certainty).

1 finding from 1 review

External cephalic version (ECV) commenced before term vs ECV at term

Death of a baby (stillbirth or neonatal death) report of perinatal death · women with breech presentation before term

External cephalic version (ECV) commenced before term showed no clear difference in perinatal mortality (Stillbirth or neonatal mortality < 7 days) compared with ECV at term (low certainty).

1 finding from 1 review

Rescue high‐frequency jet ventilation vs conventional ventilation

Chronic lung disease · preterm infants with severe pulmonary dysfunction

Rescue high‐frequency jet ventilation showed no clear difference in chronic lung disease at 28 days of birth (CLD 28 days) compared with conventional ventilation (low certainty).

1 finding from 1 review

Beta‐2 agonists vs placebo

Cough · people with acute cough or a clinical diagnosis of acute bronchitis
4 findings from 1 review
Show 1 more finding