Rising Awareness May Explain Spike in Autism Diagnoses

Article ID: 615491

Released: 24-Mar-2014 10:00 AM EDT

Source Newsroom: Simons Foundation (SFARI.org)

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  • Credit: Simons Foundation Autism Research Initiative

    Upward trend: The incidence of autism in Denmark increased significantly over 16 years, particularly among girls and at the higher-functioning end of the autism spectrum.

  • Credit: Simons Foundation Autism Research Initiative

    Rapid growth: The fastest rise in new autism cases is in those diagnosed between 14 and 20 years of age, followed by adults diagnosed between 40 and 65 years of age.

Newswise — Young boys continue to have the highest rate of autism diagnoses, but Danish doctors are diagnosing more girls, teenagers and adults with the disorder than they did in the mid-1990s. That’s the finding from a 16-year study published 20 February in the Journal of Autism and Developmental Disorders.

Many studies look at the prevalence of autism, akin to taking a snapshot of the number of diagnoses in a given population. The new study instead examined the disorder’s incidence, or newly reported diagnoses, each year.

Between 1995 and 2010, nearly 15,000 people received a new diagnosis of autism in Denmark, the study found. During that time, the incidence of autism overall increased from 9 diagnoses per 100,000 people to 38.6.

Read the full article here: http://sfari.org/news-and-opinion/news/2014/study-questions-effectiveness-of-autism-screen-in-toddlers


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