Arguedas 1997.

Methods	RCT
Participants	Children 6 months to 12 years old seen at an ambulatory unit in Costa Rica
Interventions	Azithromyzin 10 mg/kg once daily for 3 days versus clarithromycin 15 mg/kg/day twice daily for 10 days
Outcomes	Resolution of symptoms with or without the presence of middle ear fluid at 10 to 11 days and 28 to 32 days after study entry
Notes	—
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk
Allocation concealment (selection bias)	Low risk
Blinding (performance bias and detection bias) Treatment failure at 1 month or less	High risk
Incomplete outcome data (attrition bias) Treatment failure at 1 month or less	Low risk
Other bias	Low risk	Industry funding