Question · asked by 1 review

Higher circulating 25-hydroxyvitamin D (25(OH)D) concentration vs Lower circulating 25-hydroxyvitamin D (25(OH)D) concentration: Aggressive prostate cancer

Population
Participants in observational studies
Intervention
Higher circulating 25-hydroxyvitamin D (25(OH)D) concentration
Comparison
Lower circulating 25-hydroxyvitamin D (25(OH)D) concentration
Outcome
Aggressive prostate cancer

The meta-analysis of observational studies reported a OR of 0.88 (95% CI 0.68 to 1.15) for higher versus lower circulating vitamin D concentration.

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Higher circulating 25OHD concentration vs Lower circulating 25OHD concentration
Aggressive prostate cancer · Participants in observational studies
The meta-analysis of observational studies reported a OR of 0.88 (95% CI 0.68 to 1.15) for higher versus lower circulating vitamin D concentration.
Vitamin D and multiple health outcomes: umbrella review of systematic reviews and meta-analyses of… (2014) All outcomes
OR 0.98 [0.84, 1.15]6 studies · 4524 participantsGRADE 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.