Chen 2010.

Methods	RCT comparing TVT, TOT and TVT‐O
Participants	187 women Inclusion criteria: women with urodynamically proven SUI in the urology department of a Chinese hospital
Interventions	Group A: TVT (n = 77) Group B: TOT (n = 45) Group C: TVT‐O (n = 65)
Outcomes	Objective cure: negative stress test Mean operative time in minutes Mean postoperative hospital stay days (SD) Bladder perforation Vascular injury Voiding dysfunction
Notes	No quality of life measures undertaken Cystoscopy performed in TVT group
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	No information
Allocation concealment (selection bias)	Unclear risk	No information
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	No information
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	No information
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	No information