Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

18 questions · 19 findings · 11 reviews

No studies found 3 · 15.8%GRADE not reported 4 · 21.1%Very low 6 · 31.6%Low 5 · 26.3%Moderate 1 · 5.3%High 0 · 0%

Probiotics vs placebo

Adverse events · participants with cancer treated with radiotherapy (with or without chemotherapy)
2 findings from 1 review

Probiotics vs placebo

Adverse events · Patients with collagenous colitis

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

1 finding from 1 review

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

Adverse events (serious adverse reaction and adverse reaction) · children and adults with CF

Probiotics showed no clear difference in adverse events (serious adverse reaction and adverse reaction) compared with placebo (low certainty).

1 finding from 1 review