Abstract
A growing body of research has raised concerns about the number of individuals diagnosed with autism spectrum disorder (ASD) according to DSM-IV-TR who may no longer qualify for diagnoses under the new DSM-5 criteria, published in May 2013. The current study systematically reviews 25 articles evaluating samples according to both DSM-IV-TR and DSM-5 ASD criteria. Consistent with previous reviews, the majority of included studies indicated between 50 and 75 % of individuals will maintain diagnoses. We conducted visual analyses of subgroups using harvest plots and found the greatest decreases among high-functioning populations with IQs over 70 and/or previous diagnoses of PDD-NOS or Asperger’s disorder. We discuss the potential research and clinical implications of reduced numbers of individuals diagnosed with ASD.
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The authors wish to thank Callie Gilchrest and Lia Thibodaux for their contributions to the paper in the form of coding data from included studies and reconciling this data with the first author.
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Smith, I.C., Reichow, B. & Volkmar, F.R. The Effects of DSM-5 Criteria on Number of Individuals Diagnosed with Autism Spectrum Disorder: A Systematic Review. J Autism Dev Disord 45, 2541–2552 (2015). https://doi.org/10.1007/s10803-015-2423-8
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DOI: https://doi.org/10.1007/s10803-015-2423-8