Table 2.
Demographic and Clinical Features of the Subjects According to Differential Response Status
| Responsea | Robust responseb | Remissionc | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Features | Yes (n = 64) | No (n = 23) | χ2/t | p value | Yes (n = 45) | No (n = 42) | χ2/t | P value | Yes (n = 49) | No (n = 38) | χ2/t | p value |
| Male, n (%) | 53 (82.8) | 19 (82.6) | 0.000 | 1.000 | 38 (84.4) | 34 (81.0) | 0.186 | 0.667 | 41 (83.7) | 31 (81.6) | 0.066 | 0.798 |
| Age, mean (SD) | 9.1 ± 2.3 | 8.5 ± 2.0 | 0.785 | 0.438 | 9.3 ± 2.6 | 8.6 ± 1.8 | 1.046 | 0.302 | 9.4 ± 2.6 | 8.6 ± 1.8 | 1.121 | 0.269 |
| IQ, mean (SD) | 107.3 ± 16.1 | 97.7 ± 11.5 | 1.855 | 0.072 | 108.6 ± 16.2 | 100.3 ± 13.8 | 1.735 | 0.091 | 108.7 ± 16.0 | 100.2 ± 13.9 | 1.781 | 0.083 |
| ADHD-Rating Scale, mean (SD)d | ||||||||||||
| Total | 31.1 ± 8.2 | 33.1 ± 9.5 | 0.968 | 0.336 | 31.0 ± 8.4 | 32.4 ± 8.7 | 0.791 | 0.431 | 28.5 ± 7.9 | 35.7 ± 7.6 | 4.252 | 0.000 |
| Inattention | 17.9 ± 3.6 | 18.7 ± 4.2 | 0.790 | 0.432 | 18.1 ± 3.4 | 18.2 ± 4.1 | 0.097 | 0.923 | 17.5 ± 3.2 | 19.0 ± 4.2 | 1.778 | 0.080 |
| Hyperactive-impulsive | 13.2 ± 6.5 | 14.5 ± 6.8 | 0.806 | 0.422 | 12.9 ± 6.3 | 14.2 ± 6.9 | 0.972 | 0.334 | 11.0 ± 6.3 | 16.7 ± 5.5 | 4.421 | 0.000 |
a
Response was defined as a decrease of at least 25% on the ADHD-RS-IV total score from baseline to the end of the trial.
b
Robust response was defined as the decrease of ≥40% on the ADHD-RS-IV total score from baseline to the end of the trial.
c
Remission was defined as the average ADHDRS-IV item score ≤1 at the end of the treatment.
d
This indicated the baseline ratings.
IQ, intelligence quotient.