Table 1.
Demographic, clinical, and heat pain characteristics of participants.
| ASD (n= 15) | Control (n=16) | p-value | |
|---|---|---|---|
| % Male | 93.3 | 87.5 | – |
| Age (years), mean (SD) | 27.53 (10.33) | 30.13 (10.87) | 0.5 |
| FSIQ, mean (SD) | 102.27 (20.11) | 110.94 (12.59) | 0.16 |
| PIQ, mean (SD) | 103.47 (18.52) | 113.44 (11.93) | 0.08 |
| VIQ, mean (SD) | 100.27 (20.52) | 106.5 (14.45) | 0.33 |
| ADOS | |||
| Social | 9.93 (2.59) | – | – |
| Communication | 4.6 (1.45) | – | – |
| Stereotyped | 2.6 (2.06) | – | – |
| ADI-R | |||
| Social | 10.38 (5.74) | – | – |
| Verbal communication | 8.46 (5.41) | – | – |
| Repetitive behavior | 6.23 (4.02) | – | – |
| Heat pain threshold (°C), mean ± SD | 41.92 ± 4.81 | 42.92 ± 4.08 | 0.55 |
| Temperature received (°C), mean ± SD | 48.37 ± 1.52 | 48.50 ± 0.97 | 0.77 |
| Temperature percentage of threshold, mean ± SD | 116.92 ± 11.15 | 113.91 ± 9.0 | 0.44 |
| Pain rating, mean ± SD | 7.48 ± 1.47 | 7.53 ± 1.90 | 0.94 |
| Self-injurious behaviors, n (%) | 8 (66.7)a | – | – |
| Mean absolute movement (mm) | 0.55 ± 0.52 | 0.38 ± 0.37 | 0.31 |
ASD: autism spectrum disorders; SD: standard deviation; FSIQ: full-scale IQ; PIQ: performance IQ; VIQ: verbal IQ, ADOS: Autism Diagnostic Observation Schedule; ADI-R: Autism Diagnostic Interview–Revised; RBS-R: Repetitive Behavior Scale–Revised.
a
Only 12 individuals from the ASD group were evaluated with the RBS-R.