Regression models of sonographic parameters of the kidneys in practically healthy women of the ectomorphic somatotype depending on the peculiarities of body size
The study of the constitutional features of organs in the healthy population makes it possible to find out the peculiarities of changes in their sizes in different pathologies. The purpose of the work is to construct and analyze the regression models of individual sonographic sizes of the kidneys in practically healthy women of the ectomorphic somatotype, depending on the features of anthropo-somatotypological parameters of the body. From the database of research center of the National Pirogov Memorial Medical University, Vinnytsya (within the framework of the agreement on scientific cooperation) were taken the primary sonographic parameters (length, width, front and rear size, area of the longitudinal and cross section of the kidneys and their sinuses, as well as the volume of the right and left kidneys) and anthropometric indices (according to V. V. Bunak in the modification of P. P. Shapаrenko) of practically healthy women-ectomorphs of the first mature age, who in the third generation live in the Podillia region of Ukraine. Regression models of individual sonographic sizes of the kidneys, depending on the features of anthropo-somatotypological parameters of the body, are constructed using the license package “Statistica 6.1”. In practically healthy women of the ectomorphic somatotype all 16 possible reliable regression models of sonographic parameters of the right and left kidneys, based on the anthropometric and somatotypological parameters with determination coefficient R2 from 0.607 to 0.973, were constructed. Constructed regression models of sonographic parameters of both kidneys in practically healthy women of the ectomorphic somatotype most often include body diameters (24.2% of the total number of indicators included in the models), circumferential body sizes (20.9%), cephalometric indices (19.8 %) and the thickness of skin and fat folds (14.3%). The regression models of sonographic parameters of the right kidney in women of the ectomorphic somatotype most often include diameters and circumferential body sizes (by 27.3% of the total number of indicators included to the models of right kidney) and cephalometric indices (18.2%). The regression models of the sonographic parameters of the left kidney in women of the ectomorphic somatotype most often include body diameters and cephalometric indices (by 21.3% of the total number of indices included to the models of the left kidney) and the circumferential body size and thickness of skin and fat folds (by 14.9%).
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