Table 1 Demographic table for early psychosis patients and healthy controls enrolled in the study

Age (years, mean ± s.d.)

25.3 ± 4; 25.08 ± 4.7

24.4 ± 4; 23.9 ± 4.7

0.133^a 0.27^a

Gender

43 men; 25 women

84 men; 27 women

0.09^b

20 men; 19 women

24 men; 9 women

0.08^b

Cigarette users/non-users

8/54; 6/29

41/39; 15/18

< 0.001^b; 0.017^b

BMI (kg/m², means ± s.d.)

23.03 ± 2.9; 22.57 ± 2.5

24.1 ± 3.6; 23.5 ± 3.3

0.06^a; 0.19^a

GAG-GCL polymorphism (LR/HR)

47/21; 25/14

77/34; 21/12

1^b; 1^b

Illness duration (years, mean ± s.d.)

NA

2 ± 1.8; 2 ± 1.7

NA

CPZ equivalent (mg, mean ± s.d.)

NA

337.9 ± 276.4; 385.1 ± 316.5

NA