| ADHD (N = 171) | Control (N = 47) | p value1 | |
---|---|---|---|---|
 | Mean ± SD or % | Mean ± SD or % |  | |
Age | 8.7 ± 1.8 | 8.8 ± 2.1 | 0.654 |  |
Male | 81.9% | 51.1% | <0.001 | *** |
BMI | 18.5 ± 3.7 | 18.8 ± 3.3 | 0.472 |  |
ADHDRS_total | 29.1 ± 8.2 | 9.8 ± 6.5 | <0.001 | *** |
ADHDRS_inattention | 16.5 ± 4.2 | 6.7 ± 2.9 | <0.001 | *** |
ADHDRS_hyperactivity | 12.8 ± 5.1 | 3.2 ± 4.0 | <0.001 | *** |
CGI –S | 4.5 ± 0.8 | 1.0 ± 0.8 | <0.001 | *** |
WISC-III | Â | Â | Â | Â |
Information | 9.3 ± 2.9 | 10.3 ± 2.7 | 0.182 |  |
Similarities | 9.8 ± 3.3 | 12.4 ± 2.5 | 0.003 | ** |
Arithmetic | 10.2 ± 3.1 | 11.4 ± 1.8 | 0.121 |  |
Vocabulary | 9.6 ± 3.1 | 11.3 ± 2.5 | 0.032 | * |
Comprehension | 9.7 ± 2.8 | 11.0 ± 2.4 | 0.087 |  |
Picture completion | 9.7 ± 3.0 | 10.9 ± 2.0 | 0.054 |  |
Coding | 9.1 ± 3.6 | 11.1 ± 3.6 | 0.033 | * |
Picture arrangement | 9.7 ± 2.9 | 11.7 ± 2.9 | 0.009 |  |
Block design | 10.5 ± 3.5 | 11.4 ± 2.3 | 0.158 |  |
Object assembly | 9.2 ± 3.1 | 9.9 ± 3.3 | 0.407 |  |
Digit span | 9.5 ± 3.0 | - |  |  |
Symbol search | 10.5 ± 3.1 | - |  |  |
FIQ | 97.6 ± 14.3 | 106.6 ± 9.5 | 0.014 | * |
VIQ | 98.2 ± 13.9 | 107.0 ± 11.0 | 0.020 | * |
PIQ | 98.2 ± 15.5 | 104.9 ± 9.6 | 0.103 |  |
VCI | 99.0 ± 13.6 | 107.8 ± 11.6 | 0.017 | * |
POI | 98.6 ± 14.4 | 105.4 ± 10.7 | 0.078 |  |
FDI | 98.7 ± 15.0 |  |  |  |
PSI | 99.1 ± 15.5 |  |  |  |