Cochrane · systematic review · CD007991

Zinc supplementation for mental and motor development in children

Gogia, S, Sachdev, HS · Cochrane Database of Systematic Reviews · 2012 · Cochrane Library

SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
5
current version
GRADE rated
2
No studies
3
Included studies
NR
No studies 3 · 60%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 2 · 40%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Zinc compared to placebo for mental and motor development in children

Population: infants and children
5 questions
OutcomeEffectEvidenceStatus / GRADE
Mental Development Index BSID II. Scale from: 0 to 100
Zinc vs placebo
no estimate extracted8 studies · 2134 participantsModerate
Downgraded: inconsistency
Psychomotor Development Index BSID II. Scale from: 0 to 100
Zinc vs placebo
no estimate extracted8 studies · 2134 participantsModerate
Downgraded: inconsistency
Cognition scores
Zinc vs placebo
no estimate extractedNRNo studies
Intelligence quotient
Zinc vs placebo
no estimate extractedNRNo studies
Adverse effects
Zinc vs placebo
no estimate extractedNRNo studies