Table 1. Clinical characteristics of MDD patients and healthy controls.

Variable	MDD (n=68)	HC (n=42)	P-value
Gender (male/female)	47/21	25/17	0.312*
Age (mean ± SD)	27.68 ± 5.58	25.83 ± 5.09	0.5975†
HAMD score, mean (SD)	22.47 ± 4.53	–	–

Abbreviations: HAM-D, Hamilton depression rating scale; HC, healthy control subjects; MDD, major depression disorder.

Notes:

^*P-value for gender distribution was obtained by chi-square test.

^†P-values were obtained by Student’s t-test.