Journal of the Serbian Chemical Society 2022 Volume 87, Issue 9, Pages: 1025-1033
https://doi.org/10.2298/JSC220106037P
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Laboratory data clustering in defining population cohorts: Case study on metabolic indicators
Pavićević Ivan D. 
(Institute of Public Health of Belgrade, Belgrade, Serbia)
Miljuš Goran (University of Belgrade, Institute for the Application of Nuclear Energy (INEP), Belgrade, Serbia)
Nedić Olgica (University of Belgrade, Institute for the Application of Nuclear Energy (INEP), Belgrade, Serbia), [email protected]
The knowledge on the general population health is important for creating public policies and organization of medical services. However, personal data are often limited, and mathematical models are employed to achieve a general overview. Cluster analysis was used in this study to assess general trends in population health based on laboratory data. Metabolic indicators were chosen to test the model and define population cohorts. Data on blood analysis of 33,049 persons, namely the concentrations of glucose, total cholesterol and triglycerides, were collected in a public health laboratory and used to define metabolic cohorts employing computational data clustering (CLARA method). The population was shown to be distributed in 3 clusters: persons with hypercholesterolemia with or without changes in the concentration of triglycerides or glucose, persons with reference or close to reference concentrations of all three analytes and persons with predominantly elevated all three parameters. Clustering of biochemical data, thus, is a useful statistical tool in defining population groups in respect to certain health aspect.
Keywords: computational model, blood analytes, dependent variables, community health groups
Project of the Serbian Ministry of Education, Science and Technological Development, Grant no. 451-03-9/2021-14
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