Question · asked by 1 review
Vitamin D vs placebo: HRQoL score (physical functioning) (change from baseline)
- Population
- people with sickle cell disease
- Intervention
- Vitamin D
- Comparison
- placebo
- Outcome
- HRQoL score (physical functioning) (change from baseline)
What each review found
Current versions onlyNo studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 2 · 100%Moderate 0 · 0%High 0 · 0%
| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Vitamin D vs placebo HRQoL score (physical functioning) (change from baseline) · people with sickle cell disease Vitamin D supplementation for sickle cell disease (2020) · Cochrane Headline outcomes only | no estimate extracted | 1 study · 37 participants | Low |
Vitamin D vs placebo HRQoL score (physical functioning) (change from baseline) at 8 weeks · people with sickle cell disease Vitamin D supplementation for sickle cell disease (2017) · Cochrane Headline outcomes onlyearlier version CD010858.PUB2, superseded | no estimate extracted | 1 study · 37 participants | Low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Vitamin D supplementation for sickle cell disease 2020 · Cochrane Headline outcomes only | Not reported | Not extracted | Not assessed |
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.