Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

56 questions · 56 findings · 4 reviews · Headline outcomes only

No studies found 24 · 42.9%GRADE not reported 6 · 10.7%Very low 23 · 41.1%Low 3 · 5.4%Moderate 0 · 0%High 0 · 0%

Synbiotic vs placebo

Severity of pain (at study end, using the Faces Pain Scale) · children (4 to 18 years) with functional abdominal pain disorders

It is very uncertain whether synbiotic changes severity of pain (at study end, using the Faces Pain Scale) compared with placebo (very low certainty).

1 finding from 1 review