TABLE 1.

The p-value for gender distribution was obtained by the chi-square test.

Characteristics	Patients (n = 58)	HCs (n = 60)	P-value
Gender (male/female)	58 (37/21)	60 (31/29)	0.183
Age, years	28.97 ± 8.19	26.54 ± 4.96	0.052
Years of education, years	11.76 ± 1.90	12.67 ± 2.33	0.023
illness duration, years	5.76 ± 5.01

The p-values were obtained by two sample t-tests.

HCs, healthy controls.

Compared with HCs, P < 0.01.