Table 1.
Baseline characteristics of child bipolar I disorder subjects (n = 115)
| Mean | SD | |
|---|---|---|
| Age | 11.1 | 2.6 |
| Onset age of first (baseline) mania (years) | 8.3 | 3.7 |
| Duration first (index) mania episode (weeks) | 142.7 | 139.4 |
| Age at 8-year follow-up assessment | 18.1 | 2.9 |
| CGAS score | 43.5 | 8.0 |
| n |
% |
|
|---|---|---|
| Sex | ||
| Male | 77 | 67.0 |
| Female | 38 | 33.0 |
| Pubertal status | ||
| Prepubertal | 58 | 50.4 |
| Pubertal | 57 | 49.6 |
| Race | ||
| Caucasian | 101 | 87.8 |
| Other | 14 | 12.2 |
| Socioeconomic status | ||
| Class I (highest) | 34 | 29.6 |
| Class II | 53 | 46.1 |
| Class III | 22 | 19.1 |
| Class IV | 5 | 4.3 |
| Class V (lowest) | 1 | 0.9 |
| Psychosis | 70 | 60.9 |
| Mixed mania | 62 | 53.9 |
| Ultradian cycling | 90 | 78.3 |
| Comorbid ADHD | 102 | 88.7 |
| Comorbid ODD/CD | 87 | 75.7 |
CGAS = Children's Global Assessment Scale; ADHD = attention-deficit hyperactivity disorder; ODD/CD = oppositional defiant disorder/conduct disorder.