Table 2 Frequency of ADHD subtypes and symptoms of inattention and hyperactivity/impulsivity in each of the ASD subtypes
From: Psychiatric and psychosocial problems in adults with normal-intelligence autism spectrum disorders
Autistic disorder (N=5) | Asperger's disorder (N=67) | PDD NOS (N=50) | AS – PDD NOSa | Total (N=122) | Male (N=82) | Female (N=40) | Male – Femalea | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
N | % | N | % | N | % | χ2 (df = 1) | p | N | % | N | % | N | % | χ2 (df = 1) | p | |
Inattentive subtype | 2 | 40 | 8 | 12 | 11 | 22 | 2.13 | 0.21 | 21 | 17 | 14 | 17 | 7 | 18 | 0.00 | 1.00 |
Hyperactive/impulsive subtype | 0 | 0 | 5 | 8 | 3 | 6 | 0.10 | 1.00 | 8 | 7 | 5 | 6 | 3 | 8 | 0.09 | 0.72 |
Combined subtype | 0 | 0 | 11 | 16 | 12 | 24 | 1.04 | 0.35 | 23 | 19 | 16 | 20 | 7 | 18 | 0.07 | 1.00 |
Any ADHD | 2 | 40 | 24 | 36 | 26 | 52 | 3.06 | 0.09 | 52 | 43 | 35 | 43 | 17 | 43 | 0.00 | 1.00 |
AS – PDD NOSb | Male – Femaleb | |||||||||||||||
Z | p | Z | p | |||||||||||||
Median and range of inattentive criteria met | 4 (0–7) | 3 (0–8) | 6 (0–9) | -2.52 | 0.01 | 4 (0–9) | 4 (0–9) | 3 (0–9) | -0.49 | 0.63 | ||||||
Median and range of hyperactive/impulsive criteria met | 2 (0–7) | 1 (0–9) | 3 (0–9) | -2.69 | 0.007 | 2 (0–9) | 2 (0–9) | 2 (0–9) | -0.89 | 0.37 | ||||||