Journal
INTERNATIONAL JOURNAL OF DEVELOPMENTAL DISABILITIES
Volume 69, Issue 2, Pages 190-200Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/20473869.2021.1937000
Keywords
Autism spectrum disorder; clinical predictors; whole exome sequencing
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This study aimed to assess the impact of clinical and demographic variables on the diagnostic yield of WES in children with ASD from a consanguineous population. The study found that the diagnostic yield of WES in ASD cases was 34%, and children with seizures were more likely to have positive results.
This study aimed to systematically assess the impact of clinical and demographic variables on the diagnostic yield of Whole Exome Sequencing (WES) when applied to children with Autism Spectrum Disorder (ASD) from a consanguineous population. Ninety-seven children were included in the analysis, 63% were male and 37% were females. 77.3% had a suspected syndromic aetiology of which 68% had co-existent central nervous system (CNS) clinical features, while 69% had other systems involved. The diagnostic yield of WES in our cohort with ASD was 34%. Children with seizures were more likely to have positive WES results (46% vs. 31%, p = 0.042). Probands with suspected syndromic ASD aetiology showed no significant differential impact on the diagnostic yield of WES.
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