Variables | Groups | Statistical analysis | |
---|---|---|---|
First-episode schizophrenia (n = 54) | Chronic schizophrenia (n = 84) | ||
Duration of disease; Mean ± s.d (month) | 0.2 ± 0.1 | 32.2 ± 17.6 | Z = −8.8; p < 0.01 |
Age of onset of the disease; Mean ± s.d (year) | 21.6 ± 1.5 | 20.2 ± 1.7 | Z = −3.8; p < 0.01 |
Duration of hospitalization; Mean ± s.d (day) | 18.3 ± 3.5 | 14.4 ± 2.8 | Z = −5.1; p < 0.01 |
SANS; Mean ± s.d | 46.9 ± 11.9 | 48.2 ± 12.4 | Z = −0.6; p = 0.55 |
SAPS; Mean ± s.d | 58.7 ± 17.6 | 39.2 ± 21.9 | Z = −4.1; p < 0.01 |
BPRS; Mean ± s.d | 40.7 ± 9.4 | 31.0 ± 9.7 | Z = −4.5; p < 0.01 |