Table 1.

Demographic, clinical characteristics

	HCs (n = 13)	MDD(n = 25)	t values	P values
Age (years)	38.23 ± 10.12	35.80 ± 8.08	0.84	0.41a
Education (years)	13.92 ± 3.40	13.10 ± 2.80	0.83	0.41a
HAMD	1.93 ± 0.96	25.67 ± 5.31	−15.92	0.00a
During of disorder (months)	–	6.33 ± 3.45	–	–

Abbreviation: HCs healthy controls, MDD major depressive disorder, HAMD Hamilton Rating Scale for Depression

^aThe P values were obtained by two sample t-test