TABLE 1.

Demographic and clinical characteristics of SPE, NPE, and HC.

Characteristics	SPE	NPE	HC	F	P
Age (year)	29.63 ± 3.81	29.15 ± 6.07	32.07 ± 7.83	1.84	0.17*
Educational level (year)	14.96 ± 2.26	14.67 ± 2.29	14.03 ± 1.63	1.52	0.23*
IIEF-5 (score)	22.33 ± 0.62	22.26 ± 0.66	22.57 ± 0.63	1.85	0.16*
PEDT (score)a,b	14.41 ± 2.50	15.04 ± 2.61	2.93 ± 2.02	237.82	0.00*
EPQ-N (score)c,d	6.11 ± 1.89	17.93 ± 2.53	5.73 ± 1.36	343.09	0.00*

PE, premature ejaculation; SPE, PE with stable emotion; NPE, PE with abnormal emotion; HC, healthy controls; IIEF-5, international index of erectile function; PEDT, premature ejaculation diagnostic tool; EPQ-N, the subscale of Eysenck Personality Inventory about neuroticism.

^aSignificant differences in the scores of PEDT between SPE and HC.

^bSignificant differences in the scores of PEDT between NPE and HC.

^cSignificant differences in the scores of EPQ-N between NPE and HC.

^dSignificant differences in the scores of EPQ-N between NPE and SPE.

*Differences among three groups performed by one-way analysis of variance (ANOVA) test.