Table 1 Demographic information for both study groups and clinical characteristics of the schizophrenia group

Gender (male/female)

12 / 6

11/8

Chi² = 0.3

n.s.

Age

37.4 (8.4)

37.6 (10.9)

t = 0.1

n.s.

Education^a

2/5/6/6

1/2/7/8

Fisher’s exact test

n.s.

Illness duration (years)

12.2 (6.3)

–

In−/Outpatients

9 / 10

–

CPZ equivalent dose

716 mg (337)

–

PANSS total score

77.7 (18.5)

–

 PANSS positive subscore

17.6 (6.7)

–

 PANSS negative subscore

20.3 (6.8)

–

 PANSS general subscore

39.8 (9.1)

–

PSP

59.5 (16.1)

–