Table 4. Diagnostic performance of AIIMS modified INDT ASD tool across Childhood Autism Rating Scale (CARS) severity.

CARS Severity	Tool Positive	Tool Negative
Non autistic (CARS<30) (n = 106)	11 (10.4%)	95 (89.6%)
Mild to moderate (CARS = 30–36.5) (n = 39)	37 (94.9%)	2 (5.1%)
Severe (CARS>36.5) (n = 80)	80 (100%)	0

AIIMS: All India Institute of Medical Sciences; INDT: International Clinical Epidemiology Network tool for autism spectrum disorder; ASD: Autism spectrum disorder; DSM: Diagnostic statistical manual of mental disorders