evidencegaps
Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

842 questions · 924 findings · 54 reviews

Sort:Best matchNewestHighest certaintyDownload CSV
No studies found 215 · 23.3%GRADE not reported 127 · 13.7%Very low 212 · 22.9%Low 208 · 22.5%Moderate 130 · 14.1%High 32 · 3.5%

Neonatal vitamin A supplementation vs control

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

Neonatal vitamin A supplementation vs control

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 vitamin A supplementation vs control

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

Neonatal vitamin A supplementation vs control

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

Neonatal vitamin A supplementation vs control

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

Neonatal vitamin A supplementation vs control

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

Neonatal vitamin A supplementation vs control

Vitamin A deficiency · mortality and morbidity in term neonates

Neonatal vitamin A supplementation showed no clear difference in vitamin A deficiency (serum retinol < 0.70 micromol/L) at 6 weeks of… compared with control (high certainty).

2 findings from 1 review

Surgery fee waiver with/without transport provision or reimbursement to improve access to cataract surgical services vs usual care

Service utilisation: uptake of referral · people with vision impairment caused by cataract

The review found no eligible studies for this question.

1 finding from 1 review

Surgery fee waiver with/without transport provision or reimbursement to improve access to cataract surgical services vs usual care

Service utilisation: uptake of surgery · people with vision impairment caused by cataract

Surgery fee waiver with/without transport provision or reimbursement… may leads to higher service utilisation: uptake of surgery compared with standard care (low certainty).

1 finding from 1 review

Surgery fee waiver with/without transport provision or reimbursement to improve access to cataract surgical services vs usual care

Cataract Surgical Coverage · people with vision impairment caused by cataract

The review found no eligible studies for this question.

1 finding from 1 review