Demographic and clinical characteristics of the subjects
| Characteristics | Group; mean (and SD) | t test p value | |
|---|---|---|---|
| Patients (n = 22) | Control subjects (n = 11) | ||
| Age, yr | 51 (7) | 47 (12) | 0.236 |
| Education, yr | 13 (2) | 14 (2) | 0.526 |
| Parents ed ucation, yr | 12 (3) | 13 (2) | 0.111 |
| NART full score | 102 (9) | 109 (7) | 0.047 |
| NART verbal score | 99 (11) | 107 (8) | 0.047 |
| BPRS | 44 (11) | — | — |
| PANSS, negative symptoms | 9 (5) | — | — |
| PANSS, positive symptoms | 8 (4) | — | — |
| Medication,* mg | 308 (128) | — | — |
| Illness duration, yr | 18 (8) | — | — |
SD = standard deviation; NART = National Adult Reading Test; BPRS = Brief Psychiatric Rating Scale; PANSS = Positive and Negative Syndrome Scale.
↵* Chlorpromazine equivalent.