Sutrisna 1991.

Methods	RCT
Participants	Children up to 5 years of age
Interventions	Ampicillin: 25 to 30 mg/kg per dose, every 6 hours, during 5 days and supportive care or just supportive care
Outcomes	Pneumonia
Notes	—
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	The trial was described as randomised, but there was insufficient information about the sequence generation process to permit judgement of adequacy or inadequacy
Allocation concealment (selection bias)	Unclear risk	The trial was described as randomised, but the method used to conceal the allocation was not described
Blinding of participants and personnel (performance bias) All outcomes	High risk	There was no blinding
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Blinding was not clearly stated
Incomplete outcome data (attrition bias) All outcomes	Low risk	There were no missing outcome data. 11 children were excluded because of secondary disorders during the study
Selective reporting (reporting bias)	Unclear risk	There is insufficient information to permit judgement of adequacy or inadequacy
Other bias	Unclear risk	The trial appears to be free of other sources of bias

AOM: acute otitis media
 RCT: randomised clinical trial