Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

690 questions · 711 findings · 93 reviews

No studies found 167 · 23.5%GRADE not reported 36 · 5.1%Very low 181 · 25.5%Low 202 · 28.4%Moderate 100 · 14.1%High 25 · 3.5%

Probiotics vs placebo

Proven sepsis (positive bacterial culture, local or systemic) · neonates born from 35 weeks of gestation who have underdone gastrointestinal surgery

Summary of findings table ‐ Probiotics showed no clear difference in proven sepsis (positive bacterial culture, local or systemic) compared with placebo (low certainty).

1 finding from 1 review

Antibiotics vs no antibiotics

Genital Tract Colonisation · embryo transfer (ET) in assisted reproductive technology (ART)

It is very uncertain whether summary of findings table ‐ Antibiotics changes genital tract colonization compared with control (no antibiotics) (very low certainty).

1 finding from 1 review