Table 4.

Potential risk factors associated with NE severity.

	Univariate linear regression			Multivariate linear regression
	B	β	P	B	β	P
Age	0.02	0.17	0.30	‐	‐	0.61
BMI	0.25	0.48	<0.01	0.12	0.20	0.02
Smoking status	0.70	0.30	0.05	‐	‐	0.50
Alcohol consumption	−0.19	−0.04	0.82	‐	‐	‐
Prostate volume	0.05	0.29	0.07	‐	‐	0.93
The presence of comorbid conditions	1.48	0.27	0.09	‐	‐	0.72
Numbers of comorbid conditions	0.92	0.55	<0.01	‐	‐	0.93
Whether secondary NE	1.75	0.42	0.01	‐	‐	0.13
Neurogenic condition related	2.64	0.48	<0.01	3.40	0.63	<0.01
Drug related	0.39	0.06	0.73	‐	‐	‐
Surgery related	0.17	0.03	0.87	‐	‐	‐
The presence of UUI	−0.54	−0.13	0.41	‐	‐	‐
The presence of SUI	2.39	0.43	<0.01	‐	‐	0.23
The presence of MUI	3.05	0.44	<0.01	‐	‐	0.58
ICIQ‐MLUTS
Frequency sub‐score	−0.42	−0.37	0.02	‐	‐	0.45
Frequency QoL sub‐score	−0.17	−0.38	0.01	‐	‐	0.09
Urgency sub‐score	−0.31	−0.20	0.21	‐	‐	0.23
Urgency QoL sub‐score	−0.12	−0.21	0.18	‐	‐	0.62
UUI sub‐score	−0.25	−0.19	0.22	‐	‐	0.24
UUI QoL sub‐score	−0.03	−0.06	0.71	‐	‐	‐
SUI sub‐score	0.60	0.34	0.03	‐	‐	0.69
SUI QoL sub‐score	0.20	0.33	0.03	−0.29	−0.36	<0.01
Voiding sub‐score	−0.02	−0.05	0.74	‐	‐	‐
Voiding QoL sub‐score	−0.01	−0.05	0.77	‐	‐	‐
Post‐voiding sub‐score	−0.05	−0.05	0.77	‐	‐	‐
Post‐voiding QoL sub‐score	−0.01	−0.03	0.85	‐	‐	‐
Nocturnal bedwetting sub‐score	1.20	0.60	<0.01	0.79	0.39	<0.01
Nocturnal bedwetting QoL sub‐score	0.43	0.54	<0.01	‐	‐	0.35
Bladder diary
Mean voided volume	0.01	0.27	0.09	‐	‐	0.22
Maximum voided volume	0.01	0.35	0.02	‐	‐	0.30
24‐h frequency	−0.07	−0.16	0.33	‐	‐	‐
Nocturnal frequency	−0.18	−0.16	0.30	‐	‐	0.55
24‐h urine volume	0.00	0.35	0.03	‐	‐	0.43
Nocturnal urine volume	0.00	0.35	0.02	‐	‐	0.13
The presence of 24‐h polyuria	1.29	0.32	0.04	‐	‐	0.18
The presence of NP	1.59	0.39	0.01	‐	‐	0.70
The presence of reduced NBC	−0.64	−0.17	0.29	−1.99	−0.45	<0.01
The presence of NP + reduced NBC	1.60	0.36	0.02	2.17	0.50	<0.01
Uroflowmetry
Qmax	0.01	0.05	0.75	‐	‐	‐
PVR	0.01	0.37	0.02	‐	‐	0.89
VUDS
Cystometric capacity	0.00	−0.02	0.93	‐	‐	‐
The presence of reduced compliance	−0.54	−0.14	0.38	‐	‐	‐
The presence of hypersensitive bladder	1.04	0.24	0.13	‐	‐	0.15
The presence of DO	−0.05	−0.01	0.93	‐	‐	‐
The presence of urodynamic SUI	1.62	0.23	0.14	‐	‐	0.40
The presence of BOO	0.98	0.20	0.19	1.17	0.24	<0.01
The presence of detrusor underactivity	−0.07	−0.02	0.92	‐	‐	‐

Thirty‐two parameters (P ≤ 0.3 in univariate analysis) were included in the multivariable analysis. The Durbrin‐Watson test value was 1.725, R = 0.934, R ² = 0.872 and the adjusted R ² = 0.844.