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| Rating scales | Baseline | 4-week follow-up | P* |
| Brief Psychiatric Rating Scale (total) | 52.58±8.9 | 42.91±7.5 | 0.001 |
| Scale for Assessment of Positive Symptoms | 24.29±11.03 | 14.21±12.14 | 0.001 |
| Scale for Assessment of Negative Symptoms | 45.46±10.35 | 42.17±8.25 | 0.072 |
| Global Assessment Scale | 30.42±9.3 | 38.46±11.51 | 0.001 |
* Wilcoxon signed ranks test; two-sided.
