A Bayesian belief network-based analytics methodology for early-stage risk detection of novel diseases

Kazim Topuz (), Behrooz Davazdahemami () and Dursun Delen ()
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Kazim Topuz: The University of Tulsa
Behrooz Davazdahemami: University of Wisconsin-Whitewater
Dursun Delen: Oklahoma State University

Annals of Operations Research, 2024, vol. 341, issue 1, No 26, 673-697

Abstract: Abstract During a pandemic, medical specialists have substantial challenges in discovering and validating new disease risk factors and designing effective treatment strategies. Traditionally, this approach entails several clinical studies and trials that might last several years, during which strict preventive measures are enforced to manage the outbreak and limit the death toll. Advanced data analytics technologies, on the other hand, could be utilized to monitor and expedite the procedure. This research integrates evolutionary search algorithms, Bayesian belief networks, and innovative interpretation techniques to provide a comprehensive exploratory–descriptive–explanatory machine learning methodology to assist clinical decision-makers in responding promptly to pandemic scenarios. The proposed approach is illustrated through a case study in which the survival of COVID-19 patients is determined using inpatient and emergency department (ED) encounters from a real-world electronic health record database. Following an exploratory phase in which genetic algorithms are used to identify a set of the most critical chronic risk factors and their validation using descriptive tools based on the concept of Bayesian Belief Nets, the framework develops and trains a probabilistic graphical model to explain and predict patient survival (with an AUC of 0.92). Finally, a publicly available online, probabilistic decision support inference simulator was constructed to facilitate what-if analysis and aid general users and healthcare professionals in interpreting model findings. The results widely corroborate intensive and expensive clinical trial research assessments.

Keywords: Pandemic; Risk assessment; Bayesian network; Explainable machine learning; Comorbidity (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s10479-023-05377-4

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