Better Detection Major Factor Behind Rise in Autism Cases

November 4, 2014 9:42 PM

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At least in Denmark, the researchers say, most of the increase – 60% -- can be attributed to changes in diagnostic criteria and the inclusion of out-of-hospital diagnoses. For the study, the researchers collected data on 677,915 children born in Denmark from 1980 through 1991. These children were followed from birth until autism was diagnosed, or until they died or emigrated, or until the end of 2011, whichever came first.

From this group, 3,956 children were diagnosed with an autism spectrum disorder. Most were diagnosed after 1995, after changes in the diagnostic criteria and inclusion of outpatient diagnoses occurred, the researchers found. These findings should provide some relief for parents who've worried that t...

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