Clinical significance of anatomical urethral length on stress urinary incontinence women

Figures & data

Table 1 Clinical characteristics of women with stress urinary incontinence

Variables	Values
Mean age (years)	57.73	(range: 34–87)
Body mass index (kg/m^2)	25.50	(range: 17–36)
Mean parity (n)	3.08	(range: 0–8)
Medical history
Diabetes mellitus (n)	37	(12.3%)
Hypertension (n)	74	(24.8%)
Cardiovascular accidents (n)	10	(3.4%)

Table 2 Anatomical urethral length and urodynamic parameters of study population

Variables	Mean ± SD
Anatomical urethral length (mm)	26.25±3.59
Functional urethral length (mm)	41.37±15.05
Length of continence zone (mm)	24.15±13.90
Length of continence zone/functional urethral length ratio	0.57±0.19
Maximal cystometric capacity (mL)	405.93±101.75
Maximal flow rate (mL/s)	23.47±9.99
Post-void residual urine volume (mL)	20.00±21.09
Valsalva leak point pressure (cmH2O)	83.74±21.67
Cough leak point pressure (cmH2O)	101.25±16.80
Maximal urethral closure pressure (cmH2O)	71.13±28.60

Table 3 Pearson correlation coefficients of anatomical urethral length with urodynamic parameters

Variables	Pearson correlation coefficients	P-value
Functional urethral length	0.168	0.034
Length of continence zone	0.212	0.007
Length of continence zone/functional urethral length ratio	0.190	0.016
Maximal cystometric capacity	0.050	0.527
Maximal flow rate	0.041	0.609
Post-void residual urine volume	-0.122	0.396
Vasalva leak point pressure	0.223	0.005
Cough leak point pressure	0.215	0.006
Maximal urethral closure pressure	0.178	0.043