Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

304 questions · 309 findings · 37 reviews · Headline outcomes only

No studies found 80 · 25.9%GRADE not reported 8 · 2.6%Very low 88 · 28.5%Low 75 · 24.3%Moderate 54 · 17.5%High 4 · 1.3%

Early vs late drain removal following pancreatic surgery

All‐cause mortality · people undergoing elective pancreatic resections

It is very uncertain whether early changes mortality compared with late drain removal following pancreatic surgery (very low certainty).

2 findings from 1 review

Needle aspiration (needle or angiocatheter left in situ) vs intercostal tube drainage

Successful evacuation of extra‐pleural air · patients with pneumothorax in the newborn

It is very uncertain whether needle aspiration (needle or angiocatheter left in situ) changes successful evacuation of extra‐pleural air compared with intercostal tube drainage (very low certainty).

1 finding from 1 review

Needle aspiration (needle or angiocatheter left in situ) vs intercostal tube drainage

Bleeding from incision for the insertion of the needle or the tube · patients with pneumothorax in the newborn

It is very uncertain whether needle aspiration (needle or angiocatheter left in situ) changes bleeding from incision for the insertion of the needle or the tube compared with intercostal tube drainage (very low certainty).

1 finding from 1 review

Needle aspiration (needle removed immediately after aspiration) vs intercostal tube drainage

All‐cause mortality during hospital stay · patients with pneumothorax in the newborn

It is very uncertain whether needle aspiration (needle removed immediately after aspiration) changes mortality during hospitalisation compared with intercostal tube drainage (very low certainty).

1 finding from 1 review

Needle aspiration (needle or angiocatheter left in situ) vs intercostal tube drainage

All‐cause mortality during hospital stay · patients with pneumothorax in the newborn

It is very uncertain whether needle aspiration (needle or angiocatheter left in situ) changes mortality during hospitalisation compared with intercostal tube drainage (very low certainty).

1 finding from 1 review