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J Autism Dev Disord. 1993 Mar;23(1):79-90.

Differentiating pervasive developmental disorder not otherwise specified from autism and language disorders.

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  • 1Yale Child Study Center, New Haven, Connecticut 06510.


Features useful in distinguishing children with pervasive developmental disorder (PDD) from those with autism or language disorder were developed from a retrospective chart review using groups of children with PDD-NOS and MA- and sex-matched autistic and language-disordered groups. Charts were reviewed using a list of 80 items compiled from various sources. Items that had adequate interrater reliability and significantly discriminated the PDD-NOS cases from the language-disordered or autistic cases were then evaluated using a second set of cases and signal detection methods. Fewer items significantly discriminated cases with autism from those with PDD-NOS as compared to cases with language disorder. Clinical implications are discussed.

[PubMed - indexed for MEDLINE]
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