Cochrane · systematic review · CD010696

Betahistine for symptoms of vertigo

Murdin, L, Hussain, K, Schilder, AGM · Cochrane Database of Systematic Reviews · 2016 · Cochrane Library

ENTAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
4
current version
GRADE rated
2
No studies
2
Included studies
NR
No studies 2 · 50%Ungraded 0 · 0%Very low 0 · 0%Low 2 · 50%Moderate 0 · 0%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Betahistine versus placebo for symptoms of vertigo

Population: patients with symptoms of vertigo
4 questions
OutcomeEffectEvidenceStatus / GRADE
Benefits
Betahistine vs placebo
no estimate extractedNRNo studies
Proportion of patients with improvement according to global judgement of patient subgrouped by diagnosis№ of participants: 606(11 RCTs)
Betahistine vs placebo
RR 1.3 [1.05, 1.6]NRLow
Downgraded: inconsistency
Harms
Betahistine vs placebo
no estimate extractedNRNo studies
Proportion of patients with adverse effects№ of participants: 819(12 RCTs)
Betahistine vs placebo
RR 1.03 [0.76, 1.4]NRLow
Downgraded: inconsistency