Table III.
Mean number of symptoms of ADD and ADHD
| Inattention | Hyperactive/Impulsive | ||||||
|---|---|---|---|---|---|---|---|
| n | Mean | (SD) | p value | Mean | (SD) | p value | |
| Sex | 0.70 | 0.54 | |||||
| Male | 89 | 1.8 | 2.66 | 1.2 | 1.70 | ||
| Female | 72 | 1.8 | 2.68 | 1.2 | 1.84 | ||
| Age at Diagnosis | 0.19 | 0.15 | |||||
| < 4 year old | 82 | 2.1 | 2.78 | 1.2 | 1.98 | ||
| ≥ 4 years old | 79 | 1.5 | 2.53 | 1.2 | 1.51 | ||
| Cranial Radiation Therapy | 0.0006 | 0.41 | |||||
| No | 142 | 1.6 | 2.50 | 1.2 | 1.77 | ||
| Yes | 19 | 3.6 | 3.19 | 1.3 | 1.73 | ||
| Leukoencephalopathy | 0.37 | 0.77 | |||||
| No | 112 | 1.6 | 2.40 | 1.2 | 1.66 | ||
| Yes | 39 | 2.4 | 3.15 | 1.3 | 2.14 | ||
| Sequential Hand Movement | 0.09 | 0.11 | |||||
| Normal | 94 | 1.4 | 2.41 | 1.0 | 1.54 | ||
| Impaired | 51 | 2.3 | 2.94 | 1.5 | 1.96 | ||
| Anti-saccade Task | 0.0004 | 0.10 | |||||
| Normal | 122 | 1.4 | 2.41 | 1.1 | 1.74 | ||
| Impaired | 27 | 3.4 | 3.29 | 1.5 | 1.81 | ||