Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Median time to recovery
RCT 3-armed trial	213 adults in primary care with any severity of diffuse acute otitis externa on otoscopy	Median time to recovery 8.0 days with acetic acid 6.0 days with dexamethasone–neomycin–polymyxin drops	Reported as significant P value not reported	Effect size not calculated	dexamethasone–neomycin–polymyxin