Table 1.
Demographic and clinical characteristics of TDC and children with ADHD
| Clinical Values | Group |
Statistics |
||
|---|---|---|---|---|
| ADHD | TDC | t/χ | P | |
| Sample size | 58 | 31 | ||
| Age (years), mean (SD) | 9.10 (2.22) | 8.87 (1.52) | 0.58 | 0.56 |
| Sex (male:female) | 47:11 | 21:10 | 1.98 | 0.16 |
| IQ scores, mean (SD) | 117.91 (12.37) | 121.45 (14.11) | −1.22 | 0.22 |
| Conners’ Parent Rating Scale, mean (SD) | ||||
| Conduct problem | 1.07 (0.49) | 0.43 (0.43) | 6.05 | <0.001 |
| Psychosomatic | 0.38 (0.41) | 0.13 (0.22) | 3.77 | <0.001 |
| Anxiety | 0.48 (0.38) | 0.34 (0.27) | 1.74 | 0.09 |
| Study problem | 1.88 (0.61) | 0.64 (0.59) | 9.34 | <0.001 |
| Hyperactivity–impulsivity | 1.50 (0.68) | 0.51 (0.48) | 8.01 | <0.001 |
| Hyperactivity index | 1.42 (0.53) | 0.49 (0.39) | 8.67 | <0.001 |
| Continuous Performance Test, mean (SD) | ||||
| Full-scale control quotient | 72.24 (23.99) | 79.61 (22.94) | −1.40 | 0.16 |
| Visual control quotient | 75.24 (25.26) | 81.74 (24.07) | −1.18 | 0.24 |
| Auditory control quotient | 74.48 (23.80) | 80.32 (23.80) | −1.10 | 0.27 |
| Full-scale attention quotient | 71.55 (22.85) | 94.39 (20.38) | −4.66 | <0.001 |
| Visual attention quotient | 73.36 (22.56) | 93.45 (18.70) | −4.24 | <0.001 |
| Auditory attention quotient | 72.43 (25.16) | 94.61 (20.45) | −4.49 | <0.001 |