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Idring, Selma; Lundberg, Michael; Sturm, Harald; Dalman, Christina; Gumpert, Clara; Rai, Dheeraj; Lee, Brian K.; Magnusson, Cecilia – Journal of Autism and Developmental Disorders, 2015
In a record-linkage study in Stockholm, Sweden, the year 2011 prevalence of diagnosed autism spectrum disorders (ASD) was found to be 0.40, 1.74, 2.46, and 1.76 % among 0-5, 6-12, 13-17, and 18-27 year olds, respectively. The corresponding proportion of cases with a recorded diagnosis of intellectual disability was 17.4, 22.1, 26.1 and 29.4 %.…
Descriptors: Incidence, Pervasive Developmental Disorders, Autism, Clinical Diagnosis
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Fernell, Elisabeth; Hedvall, Asa; Westerlund, Joakim; Carlsson, Lotta Hoglund; Eriksson, Mats; Olsson, Martina Barnevik; Holm, Anette; Norrelgen, Fritjof; Kjellmer, Liselotte; Gillberg, Christopher – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
Early intervention has been reported to improve outcome in children with autism spectrum disorders (ASDs). Several studies in the field have been randomized controlled trials (RCTs). The aim of this study was to assess ASD outcome in a large naturalistic study. Two hundred and eight children, aged 20-54 months, with a clinical diagnosis of ASD…
Descriptors: Intelligence, Early Intervention, Autism, Learning Disabilities