| MPH (n = 16) | ATX (n = 14) | p value |
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Mean | SD | Mean | SD |
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Sex (male/female)a
| 14/2 | Â | 11/3 | Â | 0.642 |
Age (years) | 8.19 | 2.46 | 9.50 | 2.03 | 0.125 |
Medication dose (mg/kg) | 0.87 | 0.23 | 1.30 | 0.44 | NA |
FIQ (WISC-IV) | 94.19 | 13.46 | 96.64 | 14.43 | 0.634 |
ARF | 30.63 | 10.65 | 32.29 | 13.46 | 0.709 |
ARI | 16.75 | 5.52 | 18.29 | 6.84 | 0.502 |
ARH | 13.88 | 6.72 | 14.00 | 7.99 | 0.963 |
SCWC-1 | 18.31 | 7.66 | 25.86 | 8.76 | 0.018 |
SCWC-2 | 19.81 | 9.56 | 29.36 | 11.11 | 0.017 |
SCWC-3 | 21.19 | 9.17 | 25.36 | 10.35 | 0.252 |
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MPH methylphenidate, ATX atomoxetine, NA not applicable, FIQ full-scale IQ, WISC-IV Wechsler Intelligence Scale for children-fourth edition, ARF ADHD RS IV-J full scores, ARI ADHD RS IV-J inattention subscale scores, ARH ADHD RS IV-J hyperactivity subscale scores, SCWC-1 Stroop color-word task number of correct answers first time, SCWC-2 Stroop color-word task number of correct answers second time, SCWC-3 Stroop color-word task number of correct answers third time
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aThe Chi square test was used; otherwise t-tests were used