Question · asked by 1 review
Betahistine vs placebo/no treatment: Change in vertigo frequency
- Population
- Ménière’s disease
- Intervention
- Betahistine
- Comparison
- placebo/no treatment
- Outcome
- Change in vertigo frequency
What each review found
Current versions onlyNo studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 100%Low 0 · 0%Moderate 0 · 0%High 0 · 0%
| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Betahistine vs placebo/no treatment Change in vertigo frequency · Ménière’s disease Systemic pharmacological interventions for Ménière’s disease (2023) · Cochrane Headline outcomes only | no estimate extracted | 2 studies · 117 participants | Very low |
Betahistine vs placebo/no treatment Change in vertigo frequency · Ménière’s disease Systemic pharmacological interventions for Ménière’s disease (2023) · Cochrane Headline outcomes only | no estimate extracted | 1 study · 214 participants | Very low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Systemic pharmacological interventions for Ménière’s disease 2023 · 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.