Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

40 questions · 40 findings · 5 reviews · Gut

No studies found 9 · 22.5%GRADE not reported 0 · 0%Very low 13 · 32.5%Low 18 · 45%Moderate 0 · 0%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