Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

402 questions · 411 findings · 41 reviews

No studies found 99 · 24.1%GRADE not reported 32 · 7.8%Very low 132 · 32.1%Low 112 · 27.3%Moderate 33 · 8%High 3 · 0.7%

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

Probiotics 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 probiotic changes severity of pain (at study end, using the Faces Pain Scale) compared with placebo (very low certainty).

1 finding from 1 review