Table 2.
Comorbidities by psychiatric diagnosis for patients taking amantadine
| ADHD | ODD/CD | Depressive disorder | Anxiety/OCD | Autistic disorder | PTSD | ID | |
|---|---|---|---|---|---|---|---|
| ADHD (n = 251) | – | 160 (64%) | 33 (13%) | 82 (33%) | 44 (18%) | 15 (6%) | 34 (14%) |
| ODD/CD (n = 190) | 160 (84%) | – | 25 (13%) | 61 (24%) | 22 (12%) | 8 (4%) | 24 (13%) |
| Depressive disorder (n = 36) | 33 (92%) | 25 (69%) | – | 10 (28%) | 2 (6%) | 1 (3%) | 4 (11%) |
| Anxiety/OCD (n = 92) | 82 (89%) | 61 (66%) | 10 (11%) | – | 11 (12%) | 3 (3%) | 12 (13%) |
| Autistic disorder (n = 59) | 44 (75%) | 22 (37%) | 2 (3%) | 11 (19%) | – | 1 (2%) | 11 (19%) |
| PTSD (n = 18) | 15 (83%) | 8 (44%) | 1 (6%) | 3 (17%) | 1 (6%) | – | 4 (22%) |
| ID (n = 43) | 34 (79%) | 24 (56%) | 4 (9%) | 12 (28%) | 11 (26%) | 4 (9%) | – |
ADHD indicates attention deficit/hyperactivity disorder; ID, intellectual disability; OCD, obsessive-compulsive disorder; ODD/CD, oppositional defiant disorder/conduct disorder; PTSD, posttraumatic stress disorder.