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What do systematic reviews say?

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Evidence found and GRADE certainty

9 questions · 9 findings · 9 reviews · Gut

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No studies found 2 · 22.2%GRADE not reported 0 · 0%Very low 6 · 66.7%Low 1 · 11.1%Moderate 0 · 0%High 0 · 0%

Intervention not reported

Short‐term mortality · people with acute pancreatitis

It is very uncertain whether the intervention changes short‐term mortality (very low certainty).

1 finding from 1 review

Intervention not reported

Short‐term mortality · people with necrotising pancreatitis

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Short‐term mortality · patients with pancreatic pseudocysts

The review found no eligible studies for this question.

1 finding from 1 review

Duodenum‐preserving pancreatic resection vs pancreaticoduodenectomy

Short‐term mortality · people requiring surgery for chronic pancreatitis

It is very uncertain whether duodenum‐preserving pancreatic resection changes short‐term mortality compared with pancreaticoduodenectomy (very low certainty).

1 finding from 1 review

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

Non‐surgical vs surgical treatment of oesophageal cancer (primary outcomes)

Short‐term mortality All‐cause mortality either in‐hospital or within 3 months · patients with oesophageal cancer

It is very uncertain whether non‐surgical changes short‐term mortality All‐cause mortality either in‐hospital or… compared with surgical treatment of oesophageal cancer (primary outcomes) (very low certainty).

1 finding from 1 review