Cochrane · systematic review · CD006980

Neonatal vitamin A supplementation for the prevention of mortality and morbidity in term neonates in low and middle income countries

Haider, BA, Sharma, R, Bhutta, ZA · Cochrane Database of Systematic Reviews · 2017 · Cochrane Library

Neonatal2 versionsAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
8
current version
GRADE rated
8
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 1 · 12.5%Low 1 · 12.5%Moderate 0 · 0%High 6 · 75%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Current version only

Neonatal vitamin A supplementation versus control for prevention of mortality and morbidity in term neonates in low and middle income countries

Population: mortality and morbidity in term neonates
CD006980.PUB3 (current) · 8 questions
OutcomeEffectEvidenceStatus / GRADE
All‐cause infant mortality at 6 months: risk ratios based on cumulative risk (%, adjusted for clustering) ‐ term infants
Neonatal vitamin A supplementation vs control
RR 0.8 [0.54, 1.18]3 studies · 22721 participantsVery low
Downgraded: risk of bias
All‐cause infant mortality at 6 months: risk ratios based on cumulative risk (%, adjusted for clustering) ‐ all infants
Neonatal vitamin A supplementation vs control
RR 0.98 [0.89, 1.07]11 studies · 154634 participantsHigh
All‐cause neonatal mortality: risk ratios based on cumulative risk (%, adjusted for clustering) ‐ all infants
Neonatal vitamin A supplementation vs control
RR 0.99 [0.9, 1.08]5 studies · 126242 participantsHigh
Adverse events during first 48‐72 hours post supplementation ‐ bulging fontanelle
Neonatal vitamin A supplementation vs control
RR 1.53 [1.11, 2.11]5 studies · 100256 participantsHigh
Adverse events during first 48‐72 hours post supplementation ‐ vomiting
Neonatal vitamin A supplementation vs control
RR 1 [0.93, 1.07]5 studies · 99582 participantsHigh
Adverse events during first 48‐72 hours post supplementation ‐ diarrhoea
Neonatal vitamin A supplementation vs control
RR 0.96 [0.81, 1.13]5 studies · 102638 participantsLow
Downgraded: risk of bias, inconsistency
Vitamin A deficiency (serum retinol < 0.70 micromol/L) at 6 weeks of age
Neonatal vitamin A supplementation vs control
RR 0.94 [0.75, 1.19]1 study · 612 participantsHigh
Vitamin A deficiency (serum retinol < 0.70 micromol/L) at 4 months of age
Neonatal vitamin A supplementation vs control
RR 1.02 [0.64, 1.62]1 study · 369 participantsHigh

Neonatal vitamin A supplementation versus control for the prevention of mortality and morbidity in term neonates in developing countries

Population: mortality and morbidity in term neonates
CD006980.PUB2 · 5 questions
OutcomeEffectEvidenceStatus / GRADE
All cause infant mortality at 6 months
Neonatal vitamin A supplementation vs control
RR 0.82 [0.68, 0.99]3 studies · 22721 participantsLow
Downgraded: risk of bias, inconsistency, publication bias
All cause infant mortality at 12 months child years of
Neonatal vitamin A supplementation vs control
Rate ratio 0.95 [0.72, 1.26]2 studies · 5732 participantsLow
Downgraded: risk of bias, inconsistency, publication bias
Adverse events: Bulging fontanelle
Neonatal vitamin A supplementation vs control
RR 1.38 [1.04, 1.82]2 studies · 3158 participantsHigh
Adverse events: Vomiting
Neonatal vitamin A supplementation vs control
RR 0.88 [0.74, 1.05]2 studies · 3159 participantsModerate
Adverse events: Diarrhoea
Neonatal vitamin A supplementation vs control
RR 0.92 [0.77, 1.09]2 studies · 3159 participantsModerate
Downgraded: inconsistency