Zinc vs no zinc supplementation: Incidence of LRTI
Zinc supplementation showed no clear difference in incidence of LRTI compared with no zinc supplementation (high certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Zinc supplementation vs no zinc supplementation Incidence of LRTI · otherwise healthy children aged 6 months to 12 years of age Zinc supplementation showed no clear difference in incidence of LRTI compared with no zinc supplementation (high certainty). Zinc supplementation for preventing mortality, morbidity, and growth failure in children aged 6 months to 12… (2023) · Cochrane Headline outcomes only | RR 1.01 [0.95, 1.08] | 19 studies · 10555 participants | High |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Zinc supplementation for preventing mortality, morbidity, and growth failure in children aged 6 months to 12 years 2023 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not 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.