Table 1.

Socio-demographic and clinical characteristics of the study population

	Patients with MDD (n = 176)	Patients with schizophrenia (n = 346)	Heathy controls (n = 268)
Age (year)	35.51 ± 11.88	33.75 ± 10.22	34.10 ± 9.47
Females/males	98/79	178/168	135/133
Education (year)	10.86 ± 3.01	10.62 ± 2.48	11.08 ± 3.64
Duration of illness (year)	5.71 ± 8.98	8.10 ± 8.79	–
Admission times	2.20 ± 1.82	3.53 ± 3.31	–
HAMD-17	16.12 ± 8.05	–	–
PANSS total	–	69.09 ± 22.04	–
PANSS positive	–	16.70 ± 7.40	–
PANSS negative	–	18.04 ± 6.98	–
PANSS general	–	33.69 ± 11.11	–