Fig. 1. ROC curve comparison. The ROC curves of PEP-R DQ, K-WPPSI-IV FSIQ, and VABS-II ABC scores were shown in panel A, B, C, and D. A: Total participants (n=164). B: ASD group and TD group (n=145). C: ID group and TD group (n=148). D: LD group and TD group (n=114). ASD, autism spectrum disorder; AUC, area under curve; ID, intellectual disability; K-WPPSI-IV FSIQ, Korean Wechsler Preschool & Primary Scale of Intelligence fourth edition Full-Scale Intelligence Quotient; LD, language disorder; PEP-R DQ, Psychoeducational Profile-Revised Developmental Quotient; ROC, receiver operating characteristic; TD, typical development; VABS-II ABC scores, Vineland Adaptive Behavior Scales second edition Adaptive Behavior Composite scores.