Question · asked by 1 review
Vitamin D vs placebo or no intervention: Health‐related quality of life
- Population
- healthy participants or recruited among the general population; individuals diagnosed with a specific disease in a stable phase or with vitamin D deficiency
- Intervention
- Vitamin D
- Comparison
- placebo or no intervention
- Outcome
- Health‐related quality of life
The review found no eligible studies for this question.
What each review found
Include earlier review versions| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Vitamin D vs placebo or no intervention Health‐related quality of life · healthy participants or recruited among the general population; individuals diagnosed with a specific disease in a… The review found no eligible studies for this question. Vitamin D supplementation for prevention of cancer in adults (2014) · Cochrane Headline outcomes only | no estimate extracted | Not reported | No studies found |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Vitamin D supplementation for prevention of cancer in adults 2014 · Cochrane Headline outcomes only | Not reported | Not extracted | Not assessed |
Related questions
The same intervention and outcome, asked in another population or against another comparator.
- Vitamin D vs placebo or no intervention · people with chronic liver diseases · 1 review
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.