All‐cause infant mortality at 6 months: risk ratios based on cumulative risk (%, adjusted for clustering) ‐ term infants · mortality and morbidity in term neonates
It is very uncertain whether neonatal vitamin A supplementation changes all‐cause infant mortality at 6 months: risk ratios based on… compared with control (very low certainty).
1 finding from 1 review
Infant Mortality at 6 Months · mortality and morbidity in term neonates
Neonatal vitamin A supplementation showed no clear difference in all‐cause infant mortality at 6 months: risk ratios based on… compared with control (high certainty).
1 finding from 1 review
Neonatal mortality · mortality and morbidity in term neonates
Neonatal vitamin A supplementation showed no clear difference in all‐cause neonatal mortality: risk ratios based on cumulative risk… compared with control (high certainty).
1 finding from 1 review
Adverse events during first 48‐72 hours post supplementation ‐ bulging fontanelle · mortality and morbidity in term neonates
Neonatal vitamin A supplementation leads to higher adverse events during first 48‐72 hours post supplementation ‐… compared with control (high certainty).
1 finding from 1 review
Vomiting · mortality and morbidity in term neonates
Neonatal vitamin A supplementation showed no clear difference in adverse events during first 48‐72 hours post supplementation ‐… compared with control (high certainty).
1 finding from 1 review
Adverse effects: diarrhoea 48 to 72 hours · mortality and morbidity in term neonates
Neonatal vitamin A supplementation showed no clear difference in adverse events during first 48‐72 hours post supplementation ‐… compared with control (low certainty).
1 finding from 1 review
Health‐related quality of life (HRQL) · people with asthma
1 finding from 1 review
Adverse events · adults and children with exercise‐induced bronchoconstriction/asthma
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Asthma exacerbations · people with asthma
1 finding from 1 review
Lung function: FEV1 mL (change from baseline) · people with asthma
1 finding from 1 review
Asthma symptoms · people with asthma
1 finding from 1 review
Adverse events · people with asthma
1 finding from 1 review
Health‐related quality of life (HRQL) · adults and children with exercise‐induced bronchoconstriction/asthma
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Asthma exacerbations · adults and children with exercise‐induced bronchoconstriction/asthma
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Lung function: FEV1 % drop Postexercise · adults and children with exercise‐induced bronchoconstriction/asthma
1 finding from 1 review
no estimate extracted
1 study · 8 participants
Low
Asthma symptoms · adults and children with exercise‐induced bronchoconstriction/asthma
1 finding from 1 review
no estimate extracted
1 study · 8 participants
Low
Maternal death · women in the postpartum period
Vitamin A supplementation (200,000 to 400,000 IU) showed no clear difference in maternal mortality compared with placebo or no treatment (moderate certainty).
1 finding from 1 review
Maternal morbidity (diarrhoea, respiratory infections, fever) · women in the postpartum period
1 finding from 1 review
Adverse effects on women: abdominal cramps · women in the postpartum period
Vitamin A supplementation (200,000 to 400,000 IU) showed no clear difference in maternal adverse effects after administration: abdominal pain compared with placebo or no treatment (low certainty).
1 finding from 1 review
Maternal breast milk retinol concentration · women in the postpartum period
1 finding from 1 review