| ASD (n = 17) | ASD+ADHD (n =15) | ADHD (n = 37) | TD (n = 29) |
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Gender (boys/girls) | 16/1 | 13/2 | 29/8 | 20/9 |
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Autism diagnosis |
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AS | 7 | 10 | 0 | 0 |
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HFA | 10 | 5 | 0 | 0 |
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ADHD subtype |
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Combined | 0 | 2 | 21 | 0 |
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Inattentive | 0 | 2 | 11 | 0 |
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Hyperactive | 0 | 11 | 5 | 0 |
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Age |
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Range | 6 - 12 | 6 - 12 | 6 - 12 | 6 - 12 |
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Mean, SD | 7.35 (2.09) | 7.87 (1.55) | 9.19 (1.68) | 9.14 (1.94) | ASD < ADHD** ASD < TD* |
FSIQ (mean, SD) | 94.41 (21.19) | 99.93 (17.34) | 111.11 (17.72) | 124.90 (11.11) | ASD < ADHD** ASD < TD*** ASD + ADHD < TD*** ADHD < TD** |
VIQ (mean, SD) | 97.82 (22.93) | 104.60 (17.02) | 120.89 (17.51) | 135.00 (10.64) | ASD < ADHD*** ASD < TD*** ASD + ADHD < ADHD* ASD + ADHD < TD*** ADHD < TD** |
PIQ (mean, SD) | 92.00 (17.44) | 94.73 (16.85) | 98.14 (17.69) | 109.00 (12.59) | ASD < TD** ASD + ADHD < TD* ADHD < TD* |