Outcome and prognostic factors in infantile autism and similar conditions: A population-based study of 46 cases followed through puberty
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- Gillberg, C. & Steffenburg, S. J Autism Dev Disord (1987) 17: 273. doi:10.1007/BF01495061
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This follow-up study reports data from a population-based series of children in the Göteborg region of Sweden diagnosed in childhood as suffering from infantile autism and other childhood psychoses and followed through to the ages of 16–23 years. The results of the study are in good accord with the only previous population-based study of the same kind. IQ at diagnosis and communicative speech development before 6 years were the most important prognostic factors, but other trends were seen that also compare favorably with previous studies. Some previously unreported trends also emerged.