Question · asked by 1 review
Betahistine vs placebo: Proportion of patients with improvement according to global judgement of patient subgrouped by diagnosis№ of participants: 606(11 RCTs)
- Population
- patients with symptoms of vertigo
- Intervention
- Betahistine
- Comparison
- placebo
- Outcome
- Proportion of patients with improvement according to global judgement of patient subgrouped by diagnosis№ of participants: 606(11 RCTs)
Betahistine may leads to higher proportion of patients with improvement according to global… compared with placebo (low certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Betahistine vs placebo Proportion of patients with improvement according to global judgement of patient subgrouped by diagnosis№ of participants: 606(11 RCTs) · patients with symptoms of vertigo Betahistine may leads to higher proportion of patients with improvement according to global… compared with placebo (low certainty). Betahistine for symptoms of vertigo (2016) · Cochrane Headline outcomes only | RR 1.3 [1.05, 1.6] | Not reported | Low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Betahistine for symptoms of vertigo 2016 · 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.