Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

106 questions · 108 findings · 10 reviews

No studies found 17 · 15.7%GRADE not reported 3 · 2.8%Very low 37 · 34.3%Low 26 · 24.1%Moderate 25 · 23.1%High 0 · 0%

Azathioprine or 6‐mercaptopurine vs mesalazine or sulfasalazine

Withdrawals due to adverse events · maintenance of remission in Crohn's disease

It is very uncertain whether azathioprine or 6‐mercaptopurine changes withdrawals due to adverse events compared with mesalazine or sulfasalazine (very low certainty).

1 finding from 1 review