Table 1.

Demographic and clinical characteristics of the subjects.

Variables	MDD (n = 81)	HC (n = 64)	t/χ2	P-value
Age (years)	17.46 ± 6.13	16.02 ± 1.61	−0.709	0.410
Gender (male/female)	30/51	32/32	2.455	0.117
Education (years)	10.16 ± 2.70	10.83 ± 4.49	−1.049	0.297
HAMD-24 (score)	33.92 ± 9.04	NA	-	-

MDD, major depressive disorder; HC, healthy control subjects; HAMD-24, 24-item Hamilton Depression Rating Scale; NA, not applicable.