Kim 2007b.

Methods	Study design: RCT. Study duration: NS. Follow‐up/Treatment duration: 4 weeks.
Participants	Country: Korea. Setting: single centre. Patients who were diagnosed with ureteral stones < 10 mm. Number: treatment group: 34; control group: 42. Mean age ± SD, years: treatment group: 40.7 ± 11.1; control group: 45.7 ± 13.8. Sex, M/F: treatment group: 24/10; control group: 24/18. Exclusion criteria: NS.
Interventions	Treatment group Tamsulosin: 0.2 mg once daily. Control group NSAID for pain. All participants were instructed to ingest at least 2 L of fluids daily.
Outcomes	Stone clearance. Expulsion time. ED visit for pain control.
Funding sources	None stated.
Declarations of interest	None stated.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	No quotes available. Comment: randomisation stated but no information on method used was available; therefore risk of selection bias was considered to be unclear.
Allocation concealment (selection bias)	Unclear risk	No quotes available. Insufficient information to permit judgement. Comment: Owing to insufficient information, allocation concealment was considered to have unclear risk of bias.
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	No quotes available. No blinding described. Comment: Owing to insufficient information, risk of performance bias was considered to be unclear.
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	No quotes available. No blinding of outcome assessments described. Comment: Owing to insufficient information, risk of detection bias was considered to be unclear.
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	No quotes available. Comment: Loss to follow‐up was not described; therefore risk of attrition bias was considered to be unclear.
Selective reporting (reporting bias)	Unclear risk	No quotes available. Comment: Owing to insufficient information to permit judgement, risk of reporting bias was considered to be unclear.
Other bias	Unclear risk	No quotes available. Comment: Owing to insufficient information to permit judgement, risk of other sources of bias was considered to be unclear.