Demographic and clinical characteristics of participants in the discovery and validation studies
| Discovery cohort | Validation cohort | |||
|---|---|---|---|---|
| Category | Autism | Control | Autism | Control |
| No. participants | 73 | 63 | 100 | 100 |
| No. male:female | 59:14 | 51:12 | 86:14 | 81:19 |
| Age, mean ± SD, yr | 4.6 ± 0.8 | 4.1 ± 0.7 | 4.4 ± 0.8 | 4.5 ± 0.8 |
| DQ, no. | ||||
| Healthy | 14 | 63 | 26 | 100 |
| Delayed | 59 | 0 | 74 | 0 |
| ABC total score, mean ± SD | 89.1 ± 28.6 | — | 95.3 ± 28.7 | — |
| CARS total score, mean ± SD | 36.5 ± 4.6 | — | 35.7 ± 4.9 | — |
ABC = Autism Behaviour Checklist; CARS = Childhood Autism Rating Scales; DQ = developmental quotient; SD = standard deviation.