Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,087 questions · 2,360 findings · 390 reviews

No studies found 224 · 9.5%GRADE not reported 603 · 25.6%Very low 555 · 23.5%Low 548 · 23.2%Moderate 312 · 13.2%High 118 · 5%

Efficacy and safety of a first dose of whole‐cell pertussis vaccine vs a first dose of acellular pertussis vaccine

All‐cause serious adverse events · the promotion of growth and prevention of infections in infants less than six months of age

Efficacy and safety of a first dose of whole‐cell pertussis vaccine showed no clear difference in all‐cause serious adverse events compared with a first dose of acellular pertussis vaccine (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