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What do systematic reviews say?

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Evidence found and GRADE certainty

22 questions · 22 findings · 12 reviews · Headline outcomes only

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No studies found 1 · 4.5%GRADE not reported 1 · 4.5%Very low 14 · 63.6%Low 4 · 18.2%Moderate 0 · 0%High 2 · 9.1%

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

Prebiotic vs placebo

Withdrawals due to adverse events · people with mild‐to‐moderate disease (Rachmilewitz index) or active disease (SCCAI score of 4 to 10)

It is very uncertain whether prebiotics changes withdrawals due to adverse events (14 days to 2 or 3 months) compared with placebo (very low certainty).

1 finding from 1 review

Intermittent/cyclic etidronate 400 mg/day vs placebo

Withdrawals due to adverse events · postmenopausal women with a higher risk for fracturesa

It is very uncertain whether intermittent/cyclic etidronate 400 mg/day changes withdrawals due to adverse events compared with placebo (very low certainty).

1 finding from 1 review

Swallowed fluticasone vs prednisone

Withdrawals due to adverse events · active EoE pediatric patients

It is very uncertain whether swallowed fluticasone changes withdrawals due to adverse events at 4 weeks compared with oral prednisone (very low certainty).

1 finding from 1 review