Table 1.
Demographic characteristics of participants
| Variable | Whole samples (n = 38, all boys) | |
|---|---|---|
|
| ||
| Mean ± SD | Range | |
| Age | 9.24 ± 1.74 | 6 to 12 |
| Total IQ (n = 33) | 109.4 ± 13.8 | 86 to 138 |
| LDAEP_baseline (n = 38) | 0.74 ± 0.94 | −0.76 to 4.32 |
| ADHD rating scale (n = 31) | ||
| Total ARS score | 22.4 ± 10.0 | 4 to 50 |
| Inattention subscale | 11.8 ± 5.4 | 1 to 24 |
| Hyperactivity-Impulsivity subscale | 10.8 ± 5.9 | 3 to 26 |
| Continuous performance test (T score) | ||
| Visual omission error | 59.8 ± 18.1 | 42 to 100 |
| Visual commission error | 66.9 ± 17.1 | 40 to 100 |
| Visual reaction time | 59.2 ± 10.8 | 43 to 78 |
| Visual reaction time SD | 59.8 ± 15.4 | 36 to 100 |
| Auditory omission error | 62.8 ± 18.0 | 40 to 100 |
| Auditory commission error | 60.1 ± 15.6 | 41 to 100 |
| Auditory reaction time | 66.6 ± 10.2 | 32 to 82 |
| Auditory reaction time SD | 53.69 ± 10.7 | 36 to 84 |
LDAEP, loudness dependence of the auditory evoked potential; ADHD, attention deficit hyperactivity disorder; SD, standard deviation; ARS, ADHD rating scale; IQ, intellectual quotient.