Chamberlain 1994.

Methods	RCT
Participants	Children 18 months to 6 years old in Washington, DC
Interventions	Ceftriaxone 50 mg/kg intramuscularly x one dose versus cefaclor 40 mg/kg/day for 10 days
Outcomes	Absence or improvement of symptoms, and normal or improved tympanogram at 7 to 10 days and monthly for 90 days after study entry
Notes	—
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk
Blinding (performance bias and detection bias) Treatment failure at 1 month or less	Low risk
Selective reporting (reporting bias)	Low risk
Other bias	Low risk	Industry funding