Lee 2008.

Methods	QRCT comparing the efficacy and safety of TVT‐O and TOT (TOT, Dow Medics, Korea)
Participants	100 women Inclusion criteria: women with USI Exclusion criteria: predominant urge incontinence or POP Preoperative work‐up included a medical history, physical examination, urinalysis, urodynamic evaluation, and I‐QOL questionnaire
Interventions	Group A: TVT‐O (n = 50) Group B: TOT (n = 50)
Outcomes	Surgical outcomes were evaluated by the cough‐stress test and symptom questionnaire and scored as cured, improved, or failed. Participants were considered ‘cured’ of SUI if they had a negative cough‐stress test result and there were no reports of urine leakage during stress. Participants were considered ‘improved’ if they did not leak on the cough‐stress test but may have had occasional urine leakage during stress; this occasional leakage did not influence their daily activities or require further treatment. Participants who did not meet these criteria were considered to have ‘failed’ treatment
Notes	Surgical outcomes in the 2 groups were compared about 1 year after surgery. TOT, Dow Medics, Korea = woven monofilament polypropylene mesh
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	High risk	100 women with SUI were alternately assigned
Allocation concealment (selection bias)	High risk	Quasi‐randomised study with no mention of allocation concealment
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