Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

568 questions · 575 findings · 105 reviews

No studies found 53 · 9.2%GRADE not reported 26 · 4.5%Very low 91 · 15.8%Low 215 · 37.4%Moderate 151 · 26.3%High 39 · 6.8%

Intervention not reported

Presence of PDA on day 3 or 4 of life (after 72 hours of treatment) · preterm or low birth weight infants with risk of having PDA on day 3 to 4 of life

The intervention may leads to lower presence of PDA on day 3 or 4 of life (after 72 hours of treatment) (low certainty).

1 finding from 1 review

Corticosteroids vs placebo or no treatment

Neonatal death (baby born alive at any gestation and dies within 28 days) · infants born of women at risk of preterm birth

Neonatal and child outcomes: corticosteroids leads to lower neonatal death (infants born with signs of life who die within the… compared with placebo or no treatment (high certainty).

1 finding from 1 review

Corticosteroids vs placebo or no treatment

Respiratory distress syndrome · infants born of women at risk of preterm birth

Neonatal and child outcomes: corticosteroids leads to lower respiratory distress syndrome№ of participants: 11,183(26 RCTs) compared with placebo or no treatment (high certainty).

1 finding from 1 review

Corticosteroids vs placebo or no treatment

Intraventricular haemorrhage · infants born of women at risk of preterm birth

Neonatal and child outcomes: corticosteroids probably leads to lower intraventricular haemorrhage (IVH)№ of participants: 8475(12 RCTs) compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Corticosteroids vs placebo or no treatment

Developmental delay in childhood№ of participants: 600 (3 RCTs). Age at · infants born of women at risk of preterm birth

Neonatal and child outcomes: corticosteroids probably leads to lower developmental delay in childhood№ of participants: 600 (3 RCTs). Age… compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Intervention not reported

Use of 1 or more red blood cell transfusions (low and high doses of EPO) · preterm infants with low birth weight

The intervention may leads to lower use of 1 or more red blood cell transfusions (low and high doses of… (low certainty).

1 finding from 1 review

Intervention not reported

Time to achieve full enteral feeding (days) · preterm infants with low birth weight

The intervention showed no clear difference in time to achieve full enteral feeding (days) (low certainty).

1 finding from 1 review

Intervention not reported

Cerebral palsy at 18 to 24 months' corrected age · preterm infants with low birth weight

The intervention showed no clear difference in cerebral palsy at 18 to 24 months' corrected age (high certainty).

1 finding from 1 review

Intervention not reported

BSID‐III composite cognitive scores at 18 to 22 months The Bayley‐III has 3 main sub tests: the Cognitive Scale, which includes items such as attention to familiar and unfamiliar objects, looking for a fallen object, and pretend play; the Language... · neonates born preterm with low birth weight

The intervention probably leads to higher BSID‐III composite cognitive scores at 18 to 22 months The… (moderate certainty).

1 finding from 1 review

Intervention not reported

WPPSI‐III FSIQ at 3.5 to 4 years of age Composite scores have a mean of 100 and a standard deviation of 15. Average is 90 to 109. · neonates born preterm with low birth weight

The intervention may leads to higher WPPSI‐III FSIQ at 3.5 to 4 years of age Composite scores have a mean… (low certainty).

1 finding from 1 review

Intervention not reported

Any neurodevelopmental impairment at 18 to 22 months' corrected age (in children examined) · preterm infants with low birth weight

The intervention may leads to lower any neurodevelopmental impairment at 18 to 22 months' corrected age… (low certainty).

1 finding from 1 review