A cost-utility analysis of tension-free vaginal tape versus colposuspension for primary urodynamic stress incontinence

Study population The study population comprised women with urodynamic stress incontinence. Women were excluded if they had detrusor overactivity, vaginal prolapse requiring treatment, or had prior surgery for prolapse or incontinence. They were also excluded if they had a major degree of voiding dysfunction (defined at cystometry as a voiding pressure greater than 50 cm H2O, maximum flow less than 15 mL/second and residual urine volume greater than 100 mL), neurological disease, or were allergic to local anaesthetic.