Forty-one children with pervasive developmental disorders (PDDs) receiving eclectic services were assessed twice during their preschool years. Measures were compared over time for the whole group and for diagnostic subgroups: Childhood autism (CA group) and Other PDDs group. The mean intelligence quotient/developmental quotient (IQ/ DQ) of the whole group was stable (P = 0.209) and scores on the Childhood Autism Rating Scale (CARS) decreased (P = 0.001). At time 2, the CA group was more impaired than the other PDDs group: autistic symptoms were more severe (P = 0.01), adaptive behavior scores were lower (P = 0.014), and a trend for lower IQ/DQs (P = 0.06). Children in this study seemed to fare better than reported in previous follow-up studies on children with autism. © Springer Science+Business Media, LLC 2006.
CITATION STYLE
Jónsdóttir, S. L., Saemundsen, E., Ásmundsdóttir, G., Hjartardóttir, S., Ásgeirsdóttir, B. B., Smáradóttir, H. H., … Smári, J. (2007). Follow-up of children diagnosed with pervasive developmental disorders: Stability and change during the preschool years. Journal of Autism and Developmental Disorders, 37(7), 1361–1374. https://doi.org/10.1007/s10803-006-0282-z
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