Geometric morphometrics and face shape characteristics associated with chronic disease in the elderly

Authors

  • Lorena Andrade Nunes Universidade Estadual do Sudoeste da Bahia http://orcid.org/0000-0002-7453-7666
  • Andreia Souza de Jesus Universidade Estadual do Sudoeste da Bahia
  • Cezar Augusto Casotti Universidade Estadual do Sudoeste da Bahia
  • Edilson Divino de Araújo Universidade Federal de Sergipe

DOI:

https://doi.org/10.14393/BJ-v34n2a2018-39620

Keywords:

asymmetry, diabetes, face shape, hypertension, Homo sapiens

Abstract

The aging process is something that occurs naturally during the lifetime of the human being. It causes biological, psychological and social changes in the body. Anthropometry, which until the late nineteenth century was a common tool in clinical and taxonomic practices, has gained great importance as a public health measure. This methodology is also important in the evaluation of morbidities in individuals and their social practices. Thus, the objective of the present study was to evaluate facial shape characteristics in the elderly, associated with chronic diseases such as diabetes and hypertension, based on two-dimensional images of the lateral and frontal views of the face. Analysis of discriminant function and cross validation presented significant differences (p<0.01), for sexual dimorphism in both views and the presence and/or absence of diabetes and hypertension (p<0.01). For the male sex, the highest classifications were related to the complete lateral and frontal views, in 75.2% and 81.2% of cases, respectively. In terms of the female sex, they referred to the frontal view without the orolabial region or jaw (71.4%). There was variation in the facial bilateral symmetry in the elderly, with the presence of fluctuating and directional asymmetry (p<0.01). Despite morphological variations associated with aging, it is possible to use geometric morphometrics techniques to observe characteristics in facial shape related to the presence of diabetes, hypertension, and the presence or absence of both diseases.

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Author Biography

Lorena Andrade Nunes, Universidade Estadual do Sudoeste da Bahia

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Published

2018-03-26

How to Cite

NUNES, L.A., JESUS, A.S. de, CASOTTI, C.A. and ARAÚJO, E.D. de, 2018. Geometric morphometrics and face shape characteristics associated with chronic disease in the elderly . Bioscience Journal [online], vol. 34, no. 2, pp. 435–446. [Accessed5 December 2022]. DOI 10.14393/BJ-v34n2a2018-39620. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/39620.

Issue

Section

Health Sciences