Table 4.

Area under the curve (AUC), sensitivity, and specificity for the Youden index based cut-off scores for the full AQ scale and five AQ domains

AQ	AUC# (95% CI)	p	Sensitivity (95% CI)	Specificity (95% CI)	Cut-off
AQ total	0.87 (0.83–0.92)	<0.001	0.79 (0.71–0.86)	0.81 (0.75–0.86)	113
Social skills	0.88 (0.84–0.92)	<0.001	0.78 (0.70–0.85)	0.84 (0.78–0.88)	21
Attention switching	0.81 (0.75–0.86)	<0.001	0.70 (0.61–0.78)	0.80 (0.74–0.85)	26
Communication	0.81 (0.76–0.86)	<0.001	0.64 (0.56–0.73)	0.81 (0.75–0.86)	21
Imagination	0.71 (0.65–0.77)	<0.001	0.52 (0.43–0.60)	0.81 (0.75–0.86)	25
Attention to detail	0.57 (0.51–0.63)	0.028	0.48 (0.39–0.57)	0.66 (0.60–0.72)	26

AQ Autism-Spectrum Quotient

N = 349

^#Null hypothesis true area = 0.5