Wise 1993.

Methods	Randomised not placebo controlled
Participants	n = 60 women with urodynamically proven detrusor instability
Interventions	I ‐ (32) oxybutynin 5mg bd II ‐ (28) intravaginal maximal electrical stimulation 20HZ frequency with variable current of 0‐90mA
Outcomes	Adverse events: I: 7/32, II: not specified No usable data for interpretation
Notes	Ref ID {12049} Anticholinergic (oxybutynin) versus electric stimulation (intravaginal electric stimulation), no detailed methodology few actual figures /data listed no exclusion criteria Abstract form
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	No mention in the methods
Allocation concealment (selection bias)	Unclear risk	No mention in the methods
Blinding (performance bias and detection bias) All outcomes	Unclear risk	No mention in the methods
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	No mention in the methods

BD: Bidaily, BR: Bladder retraining, BT: Bladder training; CISC: Clean Intermittent Self Catheterisation; DI: Detrusor Instability, BT: Bladder Training, CISC: Clean Intermittent Self Catheterisation, ER: Extended Relase, GSUI: Genuine Stress Urinary Incontinence, ITT: Intention to treat, OPD: Out Patient Department, PFMT: Pelvic Floor Muscle Training, PV: Prompted Voiding, QoL: Quality of Life, RCT: Randomised Controlled Trial, SANS: Sacral Afferent Nerve Stimulation, TENS: Trancutaneous Electrical Nerve Stimulation, TDS: Tridaily, UI: Urinary Incontinence, UTI: Urinary Tract Infection.