Table 5.
Sensitivity and specificity for different cut-off scores in the CARS for a diagnosis of autism spectrum and autism by ADOS
| Cut off score | Sensitivity | Specificity |
|---|---|---|
| CARS 21.25 | 1.000 | 0.400 |
| CARS 22.25 | 1.000 | 0.600 |
| CARS 23.25 | 0.986 | 0.600 |
| CARS 24.25* | 0.986 | 0.800 |
| CARS 25.25 | 0.945 | 0.800 |
| CARS 25.75 | 0.918 | 0.800 |
| CARS 26.25 | 0.904 | 0.800 |
| CARS 26.75 | 0.877 | 0.800 |
| CARS 27.25 | 0.795 | 0.800 |
| CARS 27.75 | 0.767 | 1.000 |
*
the best cut-off score. ADOS: Autism Diagnostic Observation Schedule, CARS: Childhood Autism Rating Scale