Table 1.
Sociodemographic and clinical characteristics of participants
| HC (n=30) | NDS (n=42) | DS (n=24) | Statistic | |
|---|---|---|---|---|
| Age (years) | 33.26±5.83 | 35.83±7.08 | 36.58±6.19 | F(2, 93)=1.26, P=0.59 |
| Sex, n (%) | ||||
| Female | 16 (53.3) | 24 (57.1) | 10 (41.7) | χ2=1.49, P=0.47 |
| Male | 14 (46.7) | 18 (42.9) | 14 (58.3) | |
| Smoking status, n (%) | ||||
| Yes | 15 (50) | 23 (54.7) | 13 (54.1) | χ2=0.89, P=0.77 |
| No | 15 (50) | 19 (45.3) | 11 (45.9) | |
| SANS | 28.85±16.79 | 50.91±19.08 | t(63)=−4.85, P<0.001 | |
| SAPS | 37.75±15.14 | 26.73±15.03 | t(63)= −2.84, P=0.006 | |
| BPRS | 22.09±11.34 | 26.45±11.24 | t(63)= −1.41, P=0.16 | |
| Duration of illness (years) | – | 14.14±6.19 | 18.20±6.11 | t(63)= −2.56, P=0.013 |
| Age at onset of illness (years) | – | 21.68±6.69 | 18.37±4.08 | t(63)=2.19, P=0.032 |
Notes: Significant P-values are presented in bold. Data presented as mean ± standard deviation unless otherwise indicated.
Abbreviations: BPRS, Brief Psychiatric Rating Scale; DS, deficit schizophrenia; HC, healthy control; NDS, non-deficit schizophrenia; SANS, Scale for the Assessment of Negative Symptoms; SAPS, Scale for the Assessment of Positive Symptoms.