Table 2.

Primary and secondary outcome variables. UDS (urodynamic study), NBSS (Neurogenic Bladder Symptom Score), SCI-QoL (spinal cord injury quality of life measurement system bladder management difficulties and bladder complications), SHIM (sexual health inventory for men)

	Collection method	Time points (month)	Variable type	Analyzed At
Urodynamic parameters – aim 1
Primary
Maximum cystometric capacity	UDS	0,12 m	Continuous	12 m
Secondary
Maximum cystometric at 3 months	UDS	0,3 m	Continuous	3 m
Bladder compliance	UDS	0,3,12 m	Continuous	3 m, 12 m
Presence of detrusor overactivity	UDS	0,3,12 m	Binary	3 m, 12 m
Volume & pressure at first detrusor contraction	UDS	0,3,12 m	Continuous	3 m, 12 m
Quality of Life – Aim 2
Primary
Difference in mean NBSS, SCI-QoL questionnaires	Questionnaire	3,6,9,12 m	Continuous	3,6,9,12 m
Secondary
Daily number of catheterizations,	Bladder diary	3,6,9,12 m	Continuous	3,6,9,12 m
Average catheterization volume,	Bladder diary	3,6,9,12 m	Continuous	3,6,9,12 m
Urinary incontinence episodes per day	Bladder diary	3,6,9,12 m	Continuous	3,6,9,12 m
24 h pad weight test	24 h pad	3,6,9,12 m	Continuous	3,6,9,12 m
Clinical – Aim 3
Primary
# of UTIs requiring antibiotics	Chart review	12 m	Continuous	12 m
Secondary
Development of hydronephrosis	Renal ultrasound	12 m	Categorical	12 m
Need for anticholinergic medication	Chart review	12 m	Binary	12 m
Botulinum toxin injection	Chart review	event	Binary	12 m
Need for device revision	Chart review	event	Binary	12 m
Device explanation	Chart review	event	Binary	12 m
Use of medications / mechanical bowel stimulation	Chart review	event	Continuous	12 m
SHIM	Chart review	event	Continuous	12 m
Erectile dysfunction medications	Chart review	event	Continuous	12 m