Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Aural fullness severity
RCT	28 people, median age 53–55 years, unilateral Menière's disease, most annoying complaint vertigo, vestibular testing showed caloric response, treatment with betahistine unsuccessful In review	Change in mean aural fullness severity score (4-point scale where 0 = none and 3 = severe) from baseline to 1 year 1.7 to 0.9 with intratympanic gentamicin 1.8 to 1.8 with placebo Absolute results reported graphically	Reported as significant difference between groups P value not reported	Effect size not calculated	intratympanic gentamicin