Prevalence of autism spectrum disorders in an Icelandic birth cohort.

ABSTRACT: A steady increase in the prevalence of autism spectrum disorders (ASD) has been reported in studies based on different methods, requiring adjustment for participation and missing data. Recent studies with high ASD prevalence rates rarely report on co-occurring medical conditions. The aim of the study was to describe the prevalence of clinically confirmed cases of ASD in Iceland and concomitant medical conditions. The cohort is based on a nationwide database on ASD among children born during 1994-1998. A total of 267 children were diagnosed with ASD, 197 boys and 70 girls. Only clinically confirmed cases were included. All received physical and neurological examination, standardised diagnostic workup for ASD, as well as cognitive testing. ASD diagnosis was established by interdisciplinary t

SUBMITTER: Saemundsen E 

PROVIDER: S-EPMC3693420 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature