Table.
Participant Characteristics
| Autism Spectrum Disorder (n = 20), Mean (SD) [Range]a | Typically Developing (n = 20), Mean (SD) [Range] | P Value (Between-Group t Test) | |
|---|---|---|---|
| Sex, No. | |||
| Male | 19 | 18 | |
| Female | 1 | 2 | |
| Handedness, No. | |||
| Left | 3 | 3 | |
| Right | 17 | 17 | |
| Age, y | 14.6 (2.2) [9.2-18.7] | 14.7 (1.6) [12.1-17.9] | .89 |
| IQ | |||
| Nonverbal | 112 (16) [70-140] | 109 (12) [77-129] | .53 |
| Verbal | 112 (15) [87-147] | 105 (11) [83-126] | .15 |
| Full scale | 114 (14) [96-141] | 108 (11) [78-126] | .15 |
| ADOS | |||
| Social | 7.2 (2.9) [3-13] | ||
| Communication | 3.1 (2.0) [0-9] | ||
| Repetition | 1.9 (1.2) [0-4] | ||
| ADI | |||
| Social | 15.6 (6.6) [0-24] | ||
| Communication | 11.5 (7.0) [0-25] | ||
| Repetition | 5.2 (2.6) [0-11] |
Abbreviations: ADI, Autism Diagnostic Interview; ADOS, Autism Diagnostic Observation Schedule.
a
Participants had autistic disorder (n = 6), Asperger’s disorder (n = 12), or pervasive developmental disorder not otherwise specified (n = 1). Diagnostic subclassification was unavailable for 1 participant. Medication information for 4 participants with autism spectrum disorder is provided in the Supplement.