Table 1.
Demographic and clinical characteristics of patients with SSDs and HCs
| Characteristics | SSDs (n = 171) | HCs (n = 161) | p-value (2 Tailed) |
|---|---|---|---|
| Age (years) | 34.38 (10.61) | 33.73 (10.96) | 0.597b |
| Sex | |||
| Male (%) | 89 (52.05) | 74 (45.96) | 0.259a |
| Female (%) | 82 (47.95) | 87 (54.04) | |
| Education (years) | 13.90 (2.44) | 15.26 (2.07) | < 0.001b |
| 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) | – | – |
Data given as mean (SD). aSignificant T statistic for the Chi-square test; bSignificant T statistic for the independent two sample t-test
CDSS, Calgary Depression Scale for Schizophrenia; HCs, Healthy Controls; PANSS, Positive and Negative Syndrome Scale; SSDs, Schizophrenia Spectrum Disorders