Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Persistent otitis media with effusion
Systematic review	418 children 5 RCTs in this analysis	Rate of persisting otitis media effusion 2 weeks 112/214 (52%) with antibiotics plus oral corticosteroid 153/204 (75%) with antibiotic alone	OR (for non-clearance v antibiotic alone) 0.37 95% CI 0.25 to 0.56 Significant statistical heterogeneity among studies (P <0.01); see further information on studies	Moderate effect size	Antibiotics plus oral corticosteroid