Fuzzy AHP point factored inference system for detection of cardiovascular disease

M Stephen, A Felix - Journal of intelligent & fuzzy systems, 2023 - content.iospress.com
M Stephen, A Felix
Journal of intelligent & fuzzy systems, 2023content.iospress.com
The World health organization (WHO) reported that cardiovascular disease is the leading
cause of death worldwide, particularly in developing countries. But while diagnosing
cardiovascular disease, medical practitioners might have differences of opinions and faced
challenging when there is inadequate information and uncertainty of the problem. Therefore,
to resolve ambiguity and vagueness in diagnosing disease, a perfect decision-making
model is required to assist medical practitioners in detecting the disease at an early stage …
Abstract
The World health organization (WHO) reported that cardiovascular disease is the leading cause of death worldwide, particularly in developing countries. But while diagnosing cardiovascular disease, medical practitioners might have differences of opinions and faced challenging when there is inadequate information and uncertainty of the problem. Therefore, to resolve ambiguity and vagueness in diagnosing disease, a perfect decision-making model is required to assist medical practitioners in detecting the disease at an early stage. Thus, this study designs a fuzzy analytic hierarchy process (FAHP) point-factored inference system to detect cardiovascular disease. The attributes are selected and classified into sub-attributes and point factor scale using the clinical data, medical practitioners, and literature review. Fuzzy AHP is used in calculating the attribute weights, the strings are generated using the Mamdani fuzzy inference system, and the strength of each set of fuzzy rules is calculated by multiplying the attribute weights with the point factor scale. The string weights determine the output ranges of cardiovascular disease. Moreover, the results are validated using sensitivity analysis, and comparative analysis is performed with AHP techniques. The results show that the proposed method outperforms other methods, which are elucidated by the case study.
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