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Sci Rep ; 14(1): 9873, 2024 04 30.
Artículo en Inglés | MEDLINE | ID: mdl-38684768

RESUMEN

Cluster analyzes of facial models of autistic patients aim to clarify whether it is possible to diagnose autism on the basis of facial features and further to stratify the autism spectrum disorder. We performed a cluster analysis of sets of 3D scans of ASD patients (116) and controls (157) using Euclidean and geodesic distances in order to recapitulate the published results on the Czech population. In the presented work, we show that the major factor determining the clustering structure and consequently also the correlation of resulting clusters with autism severity degree is body mass index corrected for age (BMIFA). After removing the BMIFA effect from the data in two independent ways, both the cluster structure and autism severity correlations disappeared. Despite the fact that the influence of body mass index (BMI) on facial dimensions was studied many times, this is the first time to our knowledge when BMI was incorporated into the faces clustering study and it thereby casts doubt on previous results. We also performed correlation analysis which showed that the only correction used in the existing clustering studies-dividing the facial distance by the average value within the face-is not eliminating correlation between facial distances and BMIFA within the facial cohort.


Asunto(s)
Trastorno del Espectro Autista , Índice de Masa Corporal , Cara , Imagenología Tridimensional , Humanos , Trastorno del Espectro Autista/diagnóstico por imagen , Niño , Masculino , Femenino , Análisis por Conglomerados , Cara/diagnóstico por imagen , Imagenología Tridimensional/métodos , Preescolar , Adolescente
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