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Relationship between autism without intellectual disability and comorbid tic disorders
| IQ < 70 | IQ ≥ 70 | Total | Odds ratio (95% confidence interval) | p-value | |
|---|---|---|---|---|---|
| ASD only | 62 (91.2%) | 92 (72.4%) | 154 (79.0%) | 3.931 (1.560–9.904) | 0.001* |
| ASD + tic | 6 (8.8%) | 35 (27.6%) | 41 (21.0%) | ||
| Total | 68 (100%) | 127 (100%) | 195 (100%) |
ASD: autism spectrum disorder; IQ: Intelligence Quotient
*p < 0.05, **p < 0.001
