Table 1: Exclusion criteria for eligibility to enroll in the trial.

Coexisting, untreated urinary stress incontinence
Concomitant use of:
      • Anticholinergic regimens (to cease two weeks prior to treatment and remain off for 6 weeks post treatment)
      • Anticoagulant or antiplatelet regimens (to cease pre-treatment and resume day 1 post treatment)
      • Diuretics
Dementia
Hydronephrosis, post-void residual volume > 100 ml, or another urinary tract anomaly
Neurogenic detrusor overactivity
Pre-existing voiding abnormalities defined in the urodynamic clinic as either of:
      • Uroflowmetry parameters (mean and maximal flow rates) < 10 centile for age and gender (Liverpool nomogram)
      • Post-void residual volumes > 100 ml
Pregnancy
Surgery for incontinence, vaginal prolapse or hysterectomy within 6 months of recruitment
Stroke or other cerebrovascular accident
Urinary tract infection
Unstable Diabetes