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Group classifications of study population.
| Group | Subjects, N |
|---|---|
| Autism spectrum disorder (ASD) | 540 |
| Intellectual disability (ID) | 184 |
| General Population (GP) | 420 |
| ASD with intellectual disability | |
| Yes (ASD + ID) | 285 |
| No (ASD no-ID) | 219 |
| Unknown | 36 |
Group classifications included in the Early Markers for Autism (EMA) study.
