Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

25 questions · 25 findings · 6 reviews · Gut

No studies found 2 · 8%GRADE not reported 5 · 20%Very low 12 · 48%Low 6 · 24%Moderate 0 · 0%High 0 · 0%

Probiotics vs placebo

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

It is very uncertain whether probiotics changes adverse events leading to withdrawal compared with placebo (very low certainty).

1 finding from 1 review

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

Probiotics vs placebo

Clinical response · Patients with collagenous colitis

It is very uncertain whether probiotics changes clinical response compared with placebo (very low certainty).

1 finding from 1 review