Table 1.

International Continence Society Standardization of Terminology of Lower Urinary Tract Dysfunction

		Sign: Observed
	Symptom:	by Physician to
Type of	Subjective Indicator	Verify/Quantify	Urodynamic
Incontinence	of Disease	Symptoms	Observations
SUI	Involuntary leakage	Involuntary leakage from	USUI:
	on effort or exertion,	the urethra synchronous	involuntary
	or on sneezing or	with exertion/effort or	leakage during
	coughing	sneezing or coughing	increased abdominal
			pressure without
			detrusor contractions
UUI	Involuntary leakage	Small volume and	DOA:
	accompanied by or	daytime frequency	incontinence
	immediately preceded	on bladder diary	due to
	by urgency		involuntary
			detrusor contraction
Mixed	Involuntary leakage	Signs of both SUI	Both observations
	associated with urgency	and UUI	for SUI and
	and also exertion,		UUI
	sneezing, or coughing

SUI, stress urinary incontinence; UUI, urge urinary incontinence; USUI, urodynamic SUI; DOA, detrusor overactivity.

Adapted from Abrams P et al. Urology. 2003;61:37–49.⁴