Table 1 Sociodemographic and clinical characteristics and VEGF of participants

Age (years)

29.3 ± 10.0

31.6 ± 13.4

31.4 ± 12.0

F = 0.698, P = 0.499

Male/Female

35/30

26/19

37/21

χ² = 1.256, P = 0.534

Education (years)

10.8 ± 3.5

10.6 ± 3.6

11.8 ± 2.9

F = 1.861, P = 0.159

Smoker/non-smoker

38/27

25/20

32/26

χ² = 0.160, P = 0.923

BMI (kg/m2)

25.0 ± 3.7

23.7 ± 4.6

24.3 ± 4.4

F = 1.335, P = 0.266

Age of onset (years)

25.9 ± 8.7

23.4 ± 8.6

/

t = 1.345, P = 0.234

Family history of mental disorders (yes/no)

11/54

11/34

/

χ² = 0.940, P = 0.332

chlorpromazine equivalent

375.1 ± 130.5

478.8 ± 180.8

t = 3.298, P = 0.001

VEGF (pg/mL)

422.8 ± 130.5

351.6 ± 121.8

438.6 ± 213.8

F =4.014 P = 0.020