Journal of the Korean Academy of Child and Adolescent Psychiatry

Korean Academy of Child and Adolescent Psychiatry (대한소아청소년정신의학회)
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Comparison of the Autism Diagnostic Observation Schedule and Childhood Autism Rating Scale in the Diagnosis of Autism Spectrum Disorder: A Preliminary Study

  • Park, Hyung Seo (Department of Psychiatry, Seoul National University Hospital) ;
  • Yi, So Young (Department of Psychiatry, Seoul National University Hospital) ;
  • Yoon, Sun Ah (Department of Psychiatry, Seoul National University Hospital) ;
  • Hong, Soon-Beom (Department of Psychiatry, Seoul National University Hospital)
  • Received : 2018.05.31
  • Accepted : 2018.08.24
  • Published : 2018.10.01
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Abstract

Objectives: We examined the agreement between the Autism Diagnostic Observation Schedule (ADOS) and the Childhood Autism Rating Scale (CARS) in the diagnosis of autism spectrum disorder. Methods: The ADOS and CARS scores of 78 children were retrospectively collected from a chart review. A correlation analysis was performed to examine the concurrent validity between the two measures. Using the receiver operating characteristic (ROC) curve, we determined the optimal cut-off score of the CARS for identifying autism spectrum disorder. Results: The CARS score was significantly correlated with the ADOS score (r=0.808, p<0.001). Taking ADOS as the ideal standard, the optimal cut-off scores of CARS for identifying autism and autism spectrum were 30 and 24.5, respectively. Conclusion: We determined the optimal cut-off scores of CARS for screening and diagnosing autism spectrum disorder.

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