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Dev Neurorehabil. 2012;15(3):185-90. doi: 10.3109/17518423.2012.672341.

DSM-IV vs DSM-5 diagnostic criteria for toddlers with autism.

Author information

  • 1Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA. johnmatson@aol.com

Abstract

PURPOSE:

To evaluate prevalence rates of autism and autism symptomatology in toddlers using DSM-IV vs DSM-5 criteria.

METHOD:

Two thousand seven hundred and twenty-one toddlers at risk for a developmental disability participated. DSM-IV and DSM-5 criteria were applied and overall prevalence using each set of criteria was established. Groups were also compared on BISCUIT-Part 1 scores to determine if groups differed on autism symptomatology.

RESULTS:

DSM-5 resulted in 47.79% fewer toddlers being diagnosed with ASD compared to those on the DSM-IV. Toddlers diagnosed according to DSM-5 exhibited greater levels of autism symptomatology than those diagnosed with DSM-IV, but the latter group still exhibited significant levels of autism symptomatology.

CONCLUSION:

The proposed DSM-5 will result in far fewer persons being diagnosed with ASD. These results replicate findings from two previous studies, with older children/adolescents and adults. As a result of these new criteria, far fewer people will qualify for needed autism services.

PMID:
22582849
[PubMed - indexed for MEDLINE]
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