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Autism Diagnoses Will Likely Drop Under DSM-5 — Physician’s First Watch
Autism Diagnoses Will Likely Drop Under DSM-5
By Amy Orciari Herman
Autism diagnoses will likely decline as clinicians adopt new criteria from DSM-5, according to a JAMA Psychiatry study.
Researchers retrospectively applied the new diagnostic criteria to a U.S. database that included nearly 650,000 children (age, 8 years) living in autism surveillance regions in 2006 or 2008. Some 6600 children met DSM-IV criteria for autism spectrum disorder.
Roughly 20% of the children meeting the DSM-IV criteria failed to meet DSM-5 criteria. The researchers calculated that the prevalence of autism in 2008 would have been 10.0 per 1000 children if DSM-5 criteria had been used, versus 11.3 per 1000 using DSM-IV criteria.
Barbara Geller, a psychiatrist with NEJM Journal Watch, commented: "Given the myriad genetic and environmental factors that increase autism risk and contribute to clinical presentation, diagnostic challenges are not surprising and are likely to continue."