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Effects of Diagnostic Severity upon Sex Differences in Behavioural Profiles of Young Males and Females with Autism Spectrum Disorder

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Abstract

To determine if diagnostic severity of Autistic Spectrum Disorder (ASD) affected sex differences in the detailed ASD-related behavioural profiles of young males and female, two samples of males and females with a diagnosis of ASD, aged between 6 and 17 years, were compared across the 65 items of the Social Responsiveness Scale (2nd ed.). Results are reported for a sample of males and females matched on age and IQ (n = 51 pairs) and a smaller sample matched on age, IQ and ADOS-2 severity (n = 32 pairs). ASD-related behaviours from the SRS-2 that were significantly and meaningfully different across sexes were identified for both samples. ADOS-2 diagnostic severity was associated with different sets of sex-based differences in SRS-2 item scores.

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Acknowledgments

The authors wish to acknowledge the valued time and efforts by the participants in this study.

Funding

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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Authors

Contributions

Both VB and CFS designed and performed the study. Data were analysed by CFS and the draft manuscript was written by both VB and CFS.

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Correspondence to Christopher F. Sharpley.

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The authors have no competing interests to declare.

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All procedures performed in studies involving human participants were in accordance with the ethical standards 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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Informed consent was obtained from all individual participants included in the study.

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Bitsika, V., Sharpley, C.F. Effects of Diagnostic Severity upon Sex Differences in Behavioural Profiles of Young Males and Females with Autism Spectrum Disorder. J Autism Dev Disord 49, 4429–4440 (2019). https://doi.org/10.1007/s10803-019-04159-x

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