Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

316 questions · 321 findings · 136 reviews

No studies found 52 · 16.2%GRADE not reported 21 · 6.5%Very low 115 · 35.8%Low 92 · 28.7%Moderate 33 · 10.3%High 8 · 2.5%

Oral 5‐aminosalicylic acid vs 5‐aminosalicylic acid (5‐ASA) (mesalazine)

Withdrawals due to adverse events · Patients with quiescent ulcerative colitis

It is very uncertain whether oral 5‐aminosalicylic acid changes withdrawal due to adverse events compared with comparator 5‐aminosalicylic acid formulation (very low certainty).

1 finding from 1 review