Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

411 questions · 420 findings · 42 reviews

No studies found 99 · 23.6%GRADE not reported 35 · 8.3%Very low 135 · 32.1%Low 114 · 27.1%Moderate 34 · 8.1%High 3 · 0.7%

Intervention not reported

Symptomatic bacterial UTI in children with VUR Probiotics versus placebo ( · adults and children at risk of UTI

The intervention showed no clear difference in symptomatic bacterial UTI in children with VUR Probiotics versus… (low certainty).

1 finding from 1 review

Probiotics administered to pregnant women at risk of preterm birth vs placebo or no intervention

Gestational age (preterm birth < 37 weeks) · preterm infants

Probiotics administered to pregnant women at risk of preterm birth showed no clear difference in preterm birth < 37 weeks' gestation compared with placebo or no intervention (low certainty).

1 finding from 1 review

Probiotics administered to pregnant women at risk of preterm birth vs placebo or no intervention

Miscarriage/stillbirth · preterm infants

Probiotics administered to pregnant women at risk of preterm birth showed no clear difference in miscarriage/stillbirth compared with placebo or no intervention (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

Lactoferrin supplementation with enteral feeds in combination with probiotics vs placebo

Bacterial sepsis · prevention of sepsis and necrotizing enterocolitis in preterm infants

Lactoferrin supplementation with enteral feeds in combination with… may leads to lower bacterial sepsis compared with placebo (low certainty).

1 finding from 1 review

Lactoferrin supplementation with enteral feeds in combination with probiotics vs placebo

Fungal Infection · prevention of sepsis and necrotizing enterocolitis in preterm infants

Lactoferrin supplementation with enteral feeds in combination with… may leads to lower fungal Infection compared with placebo (low certainty).

1 finding from 1 review

Lactoferrin supplementation with enteral feeds in combination with probiotics vs placebo

Chronic lung disease · prevention of sepsis and necrotizing enterocolitis in preterm infants

It is very uncertain whether lactoferrin supplementation with enteral feeds in combination with… changes chronic lung disease compared with placebo (very low certainty).

1 finding from 1 review