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Comparisons of mean RBS-R domain and total scores in children with PWS + ASD versus PWS only
| RBS-R domains | PWS + ASD | PWS only | t, p |
|---|---|---|---|
| Sameness/rituals | 17.71 (7.32) | 13.85 (5.75) | −2.24* |
| Stereotypies | 6.65 (3.71) | 3.61 (3.22) | −3.44*** |
| Self-injurious behaviors | 4.23 (2.25) | 5.05 (3.22) | 0.504 |
| Compulsions | 13.00 (6.44) | 9.12 (5.30) | −2.37* |
| Restricted interests | 4.80 (3.27) | 2.21 (2.00) | −4.13*** |
| Total | 45.71 (16.85) | 33.89 (15.41) | −2.92** |
*p < 0.05; **p < 0.01; ***p < 0.001
