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Atladóttir, H. Ó.; Schendel, D. E.; Parner, E. T.; Henriksen, T. B. – Journal of Autism and Developmental Disorders, 2015
The aim of this study was to describe the profile of specific neonatal morbidities in children later diagnosed with autism spectrum disorder (ASD), and to compare this profile with the profile of children with hyperkinetic disorder, cerebral palsy, epilepsy or intellectual disability. This is a Danish population based cohort study, including all…
Descriptors: Autism, Pervasive Developmental Disorders, Neonates, Child Health
Mouridsen, Svend Erik; Rich, Bente; Isager, Torben – Journal of Autism and Developmental Disorders, 2012
We compared the prevalence and types of fractures in a clinical sample of 118 individuals diagnosed as children with infantile autism (IA) with 336 matched controls from the general population. All participants were screened through the nationwide Danish National Hospital Register. The average observation time was 30.3 years (range 27.3-30.4…
Descriptors: Autism, Hospitals, Incidence, Epilepsy
Parner, Erik T.; Thorsen, Poul; Dixon, Glenys; de Klerk, Nicholas; Leonard, Helen; Nassar, Natasha; Bourke, Jenny; Bower, Carol; Glasson, Emma J. – Journal of Autism and Developmental Disorders, 2011
Prevalence statistics for autism spectrum disorders (ASD) vary widely across geographical boundaries. Some variation can be explained by diagnostic methods, case ascertainment and age at diagnosis. This study compared prevalence statistics for two distinct geographical regions, Denmark and Western Australia, both of which have had population-based…
Descriptors: Incidence, Autism, Identification, Classification