Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

839 questions · 881 findings · 73 reviews

No studies found 246 · 27.9%GRADE not reported 156 · 17.7%Very low 219 · 24.9%Low 136 · 15.4%Moderate 90 · 10.2%High 34 · 3.9%

Prebiotic vs placebo

Withdrawals due to adverse events · people with histologically confirmed diagnosis of ulcerative colitis in remission

It is very uncertain whether prebiotics changes withdrawals due to adverse events (60 days to 6 months) compared with placebo (very low certainty).

1 finding from 1 review

Inulin and oligofructose 15 g vs inulin and oligofructose 7.5 g daily

Clinical remission · Patients with active mild to moderate ulcerative colitis

It is very uncertain whether inulin and oligofructose 15 g changes clinical remission (9 weeks) compared with inulin and oligofructose 7.5 g daily (very low certainty).

1 finding from 1 review