Question · asked by 1 review

Vitamin D vs control: Bone mineral density in forearm

Population
Community dwelling adults
Intervention
Vitamin D
Comparison
control
Outcome
Bone mineral density in forearm

The meta-analysis of RCTs reported a WMD of -0.70 (95% CI 1.70 to 0.40) for vitamin d supplementation versus control.

What each review found

Current versions only
FindingEffectStudiesGRADE certainty
Vitamin D supplementation vs Control
Bone mineral density in forearm · Community dwelling adults
The meta-analysis of RCTs reported a WMD of -0.70 (95% CI 1.70 to 0.40) for vitamin d supplementation versus control.
Vitamin D and multiple health outcomes: umbrella review of systematic reviews and meta-analyses of… (2014) All outcomes
WMD -0.70 [-1.70, 0.40]2 studiesGRADE not reported

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

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Vitamin D and multiple health outcomes: umbrella review of systematic reviews and meta-analyses of observational studies and randomised…
2014 All outcomes
11 October 201355Not applicable

The same intervention and outcome, asked in another population or against another comparator.

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.