Table 3. AIIMS modified INDT-ASD tool validation statistics as compared to gold standard (DSM-5).

	Gold standard (DSM-5 based expert diagnosis)		Total cases
	ASD present (n = 128)	ASD absent (n = 97)
AIIMS modified INDT ASD tool: ASD present	126	8	134
AIIMS modified INDT ASD tool: ASD absent	2	89	91
	128	97	225
a. Sensitivity: 98.44% [94.47% to 99.81%]     b. Specificity: 91.75% (84.39% to 96.37%)     c. Positive Predictive Value: 94.03% (88.58% to 97.39%)     d. Negative Predictive Value: 97.80% (92.29% to 99.73%)

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