J Korean Acad Child Adolesc Psychiatry.  2018 Oct;29(4):172-177. 10.5765/jkacap.180015.

Comparison of the Autism Diagnostic Observation Schedule and Childhood Autism Rating Scale in the Diagnosis of Autism Spectrum Disorder: A Preliminary Study

Affiliations
  • 1Department of Psychiatry, Seoul National University Hospital, Seoul, Korea. hsbmdmore@hanmail.net

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.

Keyword

Autism spectrum disorder; Autism Diagnostic Observation Schedule; Childhood Autism Rating Scale; Diagnosis; Screening

MeSH Terms

Appointments and Schedules*
Autism Spectrum Disorder*
Autistic Disorder*
Child
Diagnosis*
Humans
Mass Screening
Retrospective Studies
ROC Curve
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