Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,532 questions · 2,642 findings · 483 reviews · Headline outcomes only

No studies found 534 · 20.2%GRADE not reported 82 · 3.1%Very low 641 · 24.3%Low 807 · 30.5%Moderate 472 · 17.9%High 106 · 4%

Proton pump inhibitors (PPI) vs placebo or no prophylaxis

Clinically important upper GI bleeding · people admitted to intensive care units

Proton pump inhibitors showed no clear difference in clinically important upper GI bleeding compared with placebo or no prophylaxis (low certainty).

1 finding from 1 review