A Comparison of DSM-IV-TR and DSM-5 Diagnostic Classifications in the Clinical Diagnosis of Autistic Spectrum Disorder
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Aim of this study was to compare children diagnosed with Pervasive Developmental Disorder (PDD) according to DSM-IV-TR and DSM-5 diagnostic systems. One hundred fifty children aged between 3 and 15 years diagnosed with PDD by DSM-IV-TR were included. PDD symptoms were reviewed through psychiatric assessment based on DSM-IV-TR and DSM-5 criteria. Clinical severity was determined using Childhood Autism Rating Scale (CARS) and Autism Behavior Checklist (ABC). A statistically significant decrease (19.3 %) was detected in the diagnostic ratio with DSM-5. Age and symptom severity differed significantly between those who were and were not diagnosed with PDD using DSM-5. B4 criteria in DSM-5 was most common criterion. Results indicate that individuals diagnosed with PDD by DSM-IV-TR criteria may not be diagnosed using DSM-5 criteria.
KeywordsPervasive developmental disorder Autism spectrum disorder DSM-IV-TR DSM-5
No grant or financial support was received for the study.
FY conceived of the study, participated in its design and coordination, performed the measurement and assessments, interpreted the data and drafted the manuscript. SM participated in the conception and design, assisted in data collection and assessment process, assisted in interpretation of data and revised it critically to result in the final draft. Each author have given final approval of the version to be published.
Compliance with Ethical Standards
Conflict of Interest
Dr. Ferhat Yaylaci declares he has no conflict of interest, Dr. Suha Miral declares she has no conflict of interest.
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Informed consent was obtained from all individual participants included in the study.
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