Logistic regression and classification tree methods as elements of diagnosis in cardiology
Journal Title: Annales Academiae Medicae Silesiensis - Year 2016, Vol 70, Issue
Abstract
INTRODUCTION: The purpose of statistical analysis in research is to identify accurate and reliable conclusions where the researcher has a great deal of sources and information. Usually, one can point to a few different methods that allow the task to be fulfilled, but each time the question arises: which one to choose? MATERIAL AND METHODS: The study was conducted using a database that included 3246 patients in the Second Department of Cardiology, Silesian Medical Centre in Katowice-Ochojec in 2003–2008. We were A model in which the STROKE dependent variable was considered was subjected to statistical analysis, and the results of the analysis suggested selecting the following variables: gender, transfusion, PTCA, IVA, IVM, SVA, aneurysm and hematocrit. RESULTS: The essential factors affecting the occurrence of stroke, according to logistic regression are: aneurysm, transfusion of blood components, prior treatment with PTCA and according to the classification tree: aneurysm and level of hematocrit. CONCLUSIONS: The results achieved by both the two statistical models complemented each other, and by combining them one is able to obtain reliable information to use as a base for the decision-making process.
Authors and Affiliations
Anna Spychała, Michał Skrzypek, Ewa Niewiadomska
Keywords
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