Table 1.
Demographic and clinical features of the patients and controls
| Patients with schizophrenia (N = 128) | Patients with bipolar disorder (N = 128) | Controls (N = 127) | P value | |
|---|---|---|---|---|
| Age (years) | 41 ± 10 | 41 ± 10 | 39 ± 10 | 0.334 |
| Sex (male/female) | 74/54 | 74/54 | 73/54 | 0.998 |
| Pre-morbid IQ (TAP) | 22 ± 4 (a) | 22 ± 4 (b) | 22 ± 4 (i) | 0.288 |
| Age of onset (years) | 22 ± 6 (b) | 26 ± 9 (e) | ||
| Duration of illness (years) | 18 ± 11 (b) | 14 ± 10 (e) | ||
| Positive syndrome | 13 ± 5 (c) | 7 ± 4 (f) | ||
| Negative syndrome | 17 ± 6 (c) | 9 ± 5 (f) | ||
| Disorganized syndrome | 9 ± 3 (c) | 5 ± 2 (f) | ||
| GAF score | 46 ± 14 (d) | 63 ± 19 (f) | ||
| HDRS-21 score | 7 ± 9 (g) | |||
| MADRS score | 8 ± 12 (h) | |||
| YMRS score | 5 ± 9 (e) |
TAP: Word Accentuation Test (Test de Acentuación de Palabras). GAF: Global Assessment of Functioning. HDRS-21: Hamilton Depression Rating Scale, 21 items version. MADRS: Montgomery-Asberg Depression Scale. YMRS: Young Mania Rating Scale. Values are given as mean ± standard deviation.
(a) Missing data for 10 patients. (b) Missing data for 8 patients. (c) Missing data for 23 patients. (d) Missing data for 27 patients. (e) Missing data for 7 patients. (f) Missing data for 25 patients. (g) Missing data for 11 patients. (h) Missing data for 15 patients. (i) Missing data for 13 patients.