Table 1.
Characteristics of Patients From Chart Review (N = 482) Between 1972 and 2007.
| Characteristic | n (%) or Mean ± SD |
|---|---|
| Age of tic onset (years) | 6.6 ± 3.2 |
| Age first seen (years) | 9.8 ± 3.1 |
| Gender | |
| Male | 406 (84.4) |
| Female | 75 (15.6) |
| Presenting symptoms (not mutually exclusive) | |
| Multiple motor tics | 402 (83.4) |
| Multiple vocal tics | 261 (54.2) |
| Single vocal tic | 102 (21.2) |
| Single motor tic | 32 (6.6) |
| Presenting comorbid conditions at initial visit (not mutually exclusive) | |
| Attention deficit/hyperactivity disorder | 197 (40.9) |
| Obsessive compulsive disorder | 82 (17.0) |
| Aggression/rage | 61 (12.7) |
| Oppositional defiant disorder | 35 (7.3) |
| Mood disorder | 24 (5.0 |
| Anxiety | 18 (3.7) |
| Total number of clinic visits to Tourette syndrome physician (not mutually exclusive) | |
| 1 | 210 (43.6) |
| ≤5 | 362 (75.1) |
| ≤12 | 434 (90.0) |