Question · asked by 1 review

Vitamin A supplementation (200,000 to 400,000 IU) vs placebo or no treatment: Change in Infant Mortality Rate per 1000 live births1

Vitamin A supplementation (200,000 to 400,000 IU) showed no clear difference in infant mortality compared with placebo or no treatment (low certainty).

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Vitamin A supplementation (200,000 to 400,000 IU) vs placebo or no treatment
Infant mortality · Postpartum women
Vitamin A supplementation (200,000 to 400,000 IU) showed no clear difference in infant mortality compared with placebo or no treatment (low certainty).
Vitamin A supplementation for postpartum women (2016) · Cochrane Headline outcomes only
RR 1.08 [0.77, 1.52]5 studies · 6090 participantsLow

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Vitamin A supplementation for postpartum women
2016 · Cochrane Headline outcomes only
Not reportedlist not extracted yetNot assessed

Studies behind the findings

None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.

How reviews are matched to this question

Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.