| Control | ADHD | ||||
---|---|---|---|---|---|---|
(n = 22) | (n = 19) | |||||
Mean | sd | Range | Mean | sd | Range | |
Age (months)a | 122.73 | 20.48 | 86–149 | 107.74 | 14.78 | 89–137 |
Estimated IQ | 98.00 | 12.29 | 84–121 | 104.47 | 14.91 | 77–126 |
Boys, n (%) | 11 (50%) | 19 (100%) | ||||
Stimulant medication (concerta), n | – | 4 | ||||
Subtype, n: inattentive/hyperactivity_impulsivity/combined | – | 10/1/8 | ||||
Comorbidity, n: oppositional defiant disorder | Â | 3 | ||||
Language/Tic/asperger disorderb | Â | 1/1/2 |