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What do systematic reviews say?

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Evidence found and GRADE certainty

4 questions · 4 findings · 4 reviews · Headline outcomes only

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 50%Low 1 · 25%Moderate 1 · 25%High 0 · 0%

Laparoscopic vs open transhiatal oesophagectomy

Short‐term mortality (in hospital or within 3 months) · patients with oesophageal cancer

It is very uncertain whether laparoscopic changes short‐term mortality (in hospital or within 3 months) compared with open transhiatal oesophagectomy (very low certainty).

1 finding from 1 review

Emergency endovascular aneurysm repair vs conventional open repair

Short‐term mortality (30‐day or in‐hospital) · people diagnosed with RAAA

Emergency endovascular aneurysm repair showed no clear difference in short‐term mortality (30‐day or in‐hospital) compared with conventional open repair (moderate certainty).

1 finding from 1 review