Table 4.

The correlation between the storage symptom score group (storage score >3) and the voiding symptom score group (voiding score >4) evaluated by the International Prostate Symptom Score

Variables	Mild LUTS group (n=87)	Storage group (n=18)	Voiding group (n=18)	Storage + voiding group (n=59)	P
Age (year)	34.79	33.56	33.83	32.58	0.479
BMI (kg m−2)	23.50	22.28	23.35	21.72	0.011*
Systolic pressure (mmHg)	125.71	116.40	126.50	126.91	0.019*
PRL (µg l−1)	11.21	10.96	9.99	10.01	0.444
Testosterone (nmol l−1)	20.54	19.59	15.81	18.60	0.070
IIEF5	14.24	14.50	12.33	12.56	0.035*
PHQ9	6.55	6.61	7.94	9.39	0.009*
GAD7	5.20	7.06	6.50	7.93	0.001*
QoL	1.42	2.00	2.25	3.57	<0.001**
SIEDY scale 1	2.79	3.67	3.67	3.59	0.073
SIEDY scale 2	3.69	2.50	3.50	3.73	0.026*
SIEDY scale 3	6.00	4.67	6.89	6.61	0.002*

^*P<0.05, ^**P<0.001. BMI: body mass index; PRL: prolactin; IIEF: International Index of Erectile Function; PHQ: Patient Health Questionnaire; GAD: Generalized Anxiety Disorder; QoL: Quality of Life; SIEDY: Structured Interview on Erectile Dysfunction; LUTS: lower urinary tract symptoms