Clozapine v placebo for decrease in measures of psychosis and parkinsonism at 4 weeks
| Psychosis scales | Difference in mean decrease (95% CI)* |
|---|---|
| *CI calculated from data in article. A positive score indicates that the clozapine group improved more than placebo. | |
| †Not significant. | |
| Clinical Global Impression Scale | 1.1 (0.4 to 1.8) |
| Brief Psychiatric Rating Scale | 6.7 (2.7 to 10.7) |
| Modified Brief Psychiatric Rating Scale | 6.1 (2.6 to 9.7) |
| Scale for the Assessment of Positive Symptoms | 8.0 (2.5 to 13.5) |
| Parkinsonism scales | |
| Unified Parkinson's Disease Rating Scale, total score | 2.6 (−4.0 to 9.2)† |
| Unified Parkinson's Disease Rating Scale, tremor score | 1.3 (0.1 to 2.6) |
