Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

695 questions · 728 findings · 63 reviews · Headline outcomes only

No studies found 219 · 30.1%GRADE not reported 55 · 7.6%Very low 194 · 26.6%Low 136 · 18.7%Moderate 90 · 12.4%High 34 · 4.7%

Vedolizumab vs placebo

Improved IBDQ at week 52 · people with active UC

Vedolizumab probably leads to higher improved IBDQ at week 6 compared with placebo (moderate certainty).

2 findings from 1 review

TNF‐alpha antagonists vs placebo

IBDQ at weeks 6 or 8 · people with active UC

TNF‐alpha antagonists leads to higher improved IBDQ at weeks 6 or 8 compared with placebo (high certainty).

2 findings from 1 review