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. 2017 Jul;47(7):2067-2079.
doi: 10.1007/s10803-017-3130-4.

Medical Conditions in the First Years of Life Associated with Future Diagnosis of ASD in Children

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Medical Conditions in the First Years of Life Associated with Future Diagnosis of ASD in Children

Stacey E Alexeeff et al. J Autism Dev Disord. 2017 Jul.

Abstract

This study examines medical conditions diagnosed prior to the diagnosis of autism spectrum disorder (ASD). Using a matched case control design with 3911 ASD cases and 38,609 controls, we found that 38 out of 79 medical conditions were associated with increased ASD risk. Developmental delay, mental health, and neurology conditions had the strongest associations (ORs 2.0-23.3). Moderately strong associations were observed for nutrition, genetic, ear nose and throat, and sleep conditions (ORs 2.1-3.2). Using machine learning methods, we clustered children based on their medical conditions prior to ASD diagnosis and demonstrated ASD risk stratification. Our findings provide new evidence indicating that children with ASD have a disproportionate burden of certain medical conditions preceding ASD diagnosis.

Keywords: Autism spectrum disorder; Comorbidity; Medical conditions.

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Conflict of interest statement

Conflict of interest

Each author declares that he/she has no conflict of interest.

Ethical Approval

Medical research involving human subjects includes research on identifiable human material or identifiable data. All procedures performed in studies involving human subjects were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

Informed Consent

This retrospective study of medical records data did not involve any participant contact.

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