Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

15 questions · 16 findings · 8 reviews

No studies found 0 · 0%GRADE not reported 3 · 18.8%Very low 5 · 31.3%Low 6 · 37.5%Moderate 2 · 12.5%High 0 · 0%

Probiotics vs placebo

All‐cause mortality · participants with cancer treated with radiotherapy (with or without chemotherapy)
2 findings from 1 review

Probiotics vs placebo

Mortality or morbidity composite · preventing gestational diabetes

Probiotics showed no clear difference in mortality or morbidity composite compared with placebo (low certainty).

1 finding from 1 review

Probiotics vs placebo

Perinatal mortality · preventing gestational diabetes

Probiotics showed no clear difference in perinatal mortality (stillbirth and neonatal mortality) compared with placebo (low certainty).

1 finding from 1 review

Lactoferrin supplementation with enteral feeds in combination with probiotics vs placebo

All‐cause mortality · prevention of sepsis and necrotizing enterocolitis in preterm infants

It is very uncertain whether lactoferrin supplementation with enteral feeds in combination with… changes all‐cause mortality compared with placebo (very low certainty).

1 finding from 1 review