Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

369 questions · 376 findings · 25 reviews · Gut

No studies found 103 · 27.4%GRADE not reported 11 · 2.9%Very low 98 · 26.1%Low 75 · 19.9%Moderate 67 · 17.8%High 22 · 5.9%

Probiotics vs placebo

Maintenance of clinical remission · Patients with quiescent ulcerative colitis

It is very uncertain whether probiotics changes maintenance of clinical remission (52 weeks) compared with placebo (very low certainty).

1 finding from 1 review