Question · asked by 1 review
Zinc vs placebo: Quality of life
- Population
- people with AMD
- Intervention
- Zinc
- Comparison
- placebo
- Outcome
- Quality of life
The review found no eligible studies for this question.
What each review found
Current versions onlyNo studies found 2 · 100%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%
| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Zinc vs placebo Quality of life · people with AMD The review found no eligible studies for this question. Antioxidant vitamin and mineral supplements for slowing the progression of age‐related macular degeneration (2023) · Cochrane Headline outcomes only | no estimate extracted | Not reported | No studies found |
Zinc vs placebo Quality of life · people with AMD The review found no eligible studies for this question. Antioxidant vitamin and mineral supplements for slowing the progression of age‐related macular degeneration (2017) · Cochrane Headline outcomes onlyearlier version CD000254.PUB4, superseded | no estimate extracted | Not reported | No studies found |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 |
|---|---|---|---|
| Antioxidant vitamin and mineral supplements for slowing the progression of age‐related macular degeneration 2023 · 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.
- Zinc vs placebo · children and adults with β‐thalassaemia major and low bone mass · 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.