Cochrane · systematic review · CD001059

Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems

Hofmeyr, GJ, Lawrie, TA, Atallah, ÁN, et al. · Cochrane Database of Systematic Reviews · 2018 · Cochrane Library

Pregnancy and Childbirth2 versionsAMSTAR 2: not assessed
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
3
current version
GRADE rated
3
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 2 · 66.7%Moderate 0 · 0%High 1 · 33.3%

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

Current version only

Comparison

Population: pregnant women
CD001059.PUB5 (current) · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Pre‐eclampsia
RR 0.45 [0.31, 0.65]13 studies · 15730 participantsLow
Downgraded: inconsistency, publication bias
Preterm birth
RR 0.76 [0.6, 0.97]11 studies · 15275 participantsLow
Downgraded: inconsistency, publication bias
HELLP syndrome
RR 2.67 [1.05, 6.82]2 studies · 12901 participantsHigh

Comparison

Population: pregnant women
CD001059.PUB4 · 3 questions
OutcomeEffectEvidenceStatus / GRADE
Pre‐eclampsia
RR 0.45 [0.31, 0.65]13 studies · 15730 participantsHigh
Preterm birth
RR 0.76 [0.6, 0.97]11 studies · 15275 participantsHigh
HELLP Syndrome
RR 2.67 [1.05, 6.82]2 studies · 12904 participantsHigh