Table 1.
Participant characteristics.
| AUTc (n = 27) Mean ± SD |
AUTp (n = 13) Mean ± SD |
AUTnp (n = 14) Mean ± SD |
TYP (n = 23) Mean ± SD |
p-value (AUTc vs TYP) |
p-value (AUTp vs AUTnp vs TYP) |
|
|---|---|---|---|---|---|---|
| Age in years Range |
25.2 ± 5.5 18–36 |
24.5 ± 5.4 18–35 |
25.9 ± 5.8 18–36 |
24.4 ± 3.6 18–32 |
0.50 | 0.59 |
| Full Scale IQ Range |
97.8 ± 11.8 77–118 |
99.4 ± 12.1 81–118 |
96.3 ± 11.7 77–117 |
105.9 ± 9.1 87–125 |
0.00 | 0.03 |
| Performance IQ Range |
106.0 ± 11.7a 89–134 |
110.7 ± 13.6 90–134 |
101.2 ± 7.3a 89–114 |
106.7 ± 9.7 87–120 |
0.80 | 0.07 |
| Verbal IQ Range |
92.6 ± 14.9a 63–123 |
91.2 ± 14.4 69–121 |
94.0 ± 15.7a 63–123 |
103.7 ± 8.7 90–123 |
0.00 | 0.01 |
| BD peak Range |
2.9 ± 3.1 −1.5–9.4 |
5.4 ± 2.1 3.1–9.4 |
0.6 ± 1.7 −1.5–3.5 |
0.2 ± 2.5 −4.4–4.5 |
0.05 | 0.00 |
| RSPM (percentile) Range |
75.2 ± 22.9a 13–98 |
80.2 ± 21.8 20–98 |
70.3 ± 23.8a 13–98 |
77.4 ± 21.0 28–97.5 |
0.73 | 0.49 |
| Manual preference Range |
60.2 ± 67.2 −100 to + 100 |
67.2 ± 53.9 −100 to + 100 |
53.8 ± 79.1 −100 to + 100 |
54.7 ± 69.2 −100 to + 100 |
0.78 | 0.85 |
| ADI-R scores Social Communication Repetitive behaviour |
20.4a 16.6a 7.1a |
22.4 16.4 6.1 |
0.41 0.92 0.22 |
|||
| ADOS scores Social Communication Imagination/play Repetitive behaviour |
8.8c 4.5c 1.0c 3.1c |
9.3b 4.4b 1.3b 3.3b |
0.71 0.90 0.42 0.82 |
AUTc: autistic group combined. AUTp: autistic group with a Block Design peak. AUTnp: autistic group with no Block Design peak. TYP: group with typical development. BD: Block Design subtest. RSPM: Raven’s Standard Progressive Matrices. ADI-R: Autism Diagnostic Interview-Revised. ADOS: Autism Diagnostic Observation Schedule.
a. Data missing for one subject.
b. Data missing for 2 subjects.
c. Data missing for 3 subjects.