DSM-5 – Review – Confirms Negative Impact on ASD Children, Diagnosis and Care

The Effects of DSM-5 Criteria on Number of Individuals Diagnosed with Autism Spectrum Disorder: A Systematic Review.



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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