Discriminant models of the possibility of benign nevi occurrence and features in men depending on the characteristics of anthropo-somatotypological indicators

Keywords: skin diseases, benign nevi, anthropometric indicators, body circumference, transverse body dimensions, skinfold thickness, somatotypical indicators, Ukrainian men, discriminant models.


The multifactorial nature of the origin and development of nevi is the subject of debate so far. One way to understand this process and get an answer to this question is to use a constitutional method of research. The purpose of the study is to build and analyze discriminant models of benign nevi occurrence possibility in men depending on the characteristics of the structure and size of the body. For Ukrainian men aged 22 to 35 years with benign nevi (34 with melanocyte benign simple nevi; 27 with melanocyte benign dysplastic nevi; 14 with melanocyte benign congenital nevi; 17 with nonmelanocyte benign nevus) determined anthropometric indicators according to the scheme of Bunak V. V. (1941), components of the somatotype according to the Heath-Carter scheme (1990), as well as indicators of the component composition of body weight according to Matejko formulas (1921). The control group consisted of anthropometric and somatotypological indicators of 82 practically healthy men of the same age group selected from the data bank of the Research Center of National Pirogov Memorial Medical University, Vinnytsya. Discriminant analysis was performed in the licensed statistical package “Statistica 5.5”. With the help of discriminant analysis, reliable models of the possibility of benign nevi depending on the characteristics of anthropometric and somatotypological indicators are built. It was found that healthy and patients with benign nevi of men can reliably interpret the obtained classification indicators between healthy and sick, and between patients with melanocyte simple or dysplastic nevi and other groups of benign nevi (discriminant function covers 75.7 % of cases; Wilks' Lambda statistics=0.125; р<0.001). Between groups of benign nevi, reliable interpretation of the obtained classification indicators is possible only between patients with melanocyte simple or dysplastic nevi and melanocyte congenital or non-melanocyte nevi (discriminant function covers 48.4 % of cases; Wilks' Lambda statistics=0.662; р<0.001), however, the totality of all anthropological variables has little discrimination. The models of healthy and sick men include the skinfold thickness (42.8 %), girth sizes (28.6 %), shoulder width and endomorphic component of the somatotype (14.3 % each); and among men with benign nevi, only girth sizes of the body. The greatest contribution to discrimination in models of healthy and sick men is made by the circumference of the forearm at the top, the width of the shoulders and the skinfold thickness on the side; and among patients with benign nevi – chest girth on inspiration. The obtained results indicate a significant influence of environmental factors on the occurrence of benign nevi.


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How to Cite
Haddad, N. B. Y., Dmytrenko, S. V., Mateshuk-Vatseba, L. R., Khapitska, O. P., & Kyrychenko , V. I. (2022). Discriminant models of the possibility of benign nevi occurrence and features in men depending on the characteristics of anthropo-somatotypological indicators. Reports of Morphology, 28(2), 69-74. https://doi.org/10.31393/morphology-journal-2022-28(2)-10