Findings

What do systematic reviews say?

3 questions · 3 findings · 2 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 33.3%Moderate 1 · 33.3%High 1 · 33.3%

Zinc vs no zinc supplementation

All‐cause mortality · otherwise healthy children aged 6 months to 12 years of age

Zinc supplementation showed no clear difference in all‐cause mortality compared with no zinc supplementation (high certainty).

1 finding from 1 review

Zinc supplementation for preventing mortality, morbidity, and growth failure in children aged 6 months to 12 years 2023 · Cochrane Headline outcomes only
RR 0.93 [0.84, 1.03]
16 studies · 143474 participants
High

Zinc vs no zinc supplementation

Mortality due to all‐cause diarrhea · otherwise healthy children aged 6 months to 12 years of age

Zinc supplementation showed no clear difference in mortality due to all‐cause diarrhea compared with no zinc supplementation (moderate certainty).

1 finding from 1 review

Zinc supplementation for preventing mortality, morbidity, and growth failure in children aged 6 months to 12 years 2023 · Cochrane Headline outcomes only
RR 0.95 [0.69, 1.31]
4 studies · 132321 participants
Moderate

Enteral zinc supplementation vs no zinc supplementation

All‐cause mortality (between start of intervention and end of · preterm infants

Enteral zinc supplementation may leads to lower all‐cause mortality (between start of intervention and end of compared with no zinc supplementation (low certainty).

1 finding from 1 review

Enteral zinc supplementation for prevention of morbidity and mortality in preterm neonates 2021 · Cochrane Headline outcomes only
RR 0.55 [0.31, 0.97]
3 studies · 345 participants
Low