Banani 1994

Methods	Randomized controlled trial Duration: 18 months, from September 1991 to March 1993
Participants	Number: 77 infants enrolled Inclusion criteria: regional suppurative post‐BCG adenitis Exclusion criteria: a) no sonographic sign of node collection, b) generalised adenopathy, c) immunocompromised or d) if received an anti‐tuberculous drug before referral
Interventions	Group 1: needle aspiration Group 2: no intervention
Outcomes	Clinical failure (regression of the lesion not achieved)
Notes	Location: Iran Setting: Not described Source of funding: Not described
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	High risk	Not adequate (every other week)
Allocation concealment (selection bias)	Unclear risk	Not described
Blinding of participants and personnel (performance bias) All outcomes	High risk	Not performed, open study
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Subjective (visual inspection and measurement)
Incomplete outcome data (attrition bias) All outcomes	Low risk	No patients were lost to follow‐up
Selective reporting (reporting bias)	Unclear risk	Insufficient information to permit judgement
Other bias	Unclear risk	There was insufficient information to assess whether an important risk of bias exists