Table 1 Demographic and clinical characteristics of patients with SSDs and HCs

Age (years)

34.38 (10.61)

33.73 (10.96)

0.597^b

Sex

 Male (%)

89 (52.05)

74 (45.96)

0.259^a

 Female (%)

82 (47.95)

87 (54.04)

Education (years)

13.90 (2.44)

15.26 (2.07)

 < 0.001^b

Duration of illness (months)

77.70 (96.50)

–

–

CDSS Total

5.88 (5.83)

–

–

PANSS

 Positive symptoms

13.69 (8.00)

–

–

 Negative symptoms

11.57 (6.55)

–

–

 General psychopathology

24.80 (11.35)

–

–

 Total score

50.05 (23.26)

–

–

Medication

 Naive/Free (%)

28 (16.37)/29 (16.96)

–

–

 Chlorpromazine equivalent (mg/day)

449.33(351.495) (n = 114)

–

–