International Journal of Innovative Research in Computer and Communication Engineering

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TITLE XAI Based Heart Disease Prediction System with Feature Importance Visualization: A Survey
ABSTRACT Heart disease remains the leading global cause of mortality, which makes reliable and actionable prediction systems a clinical priority. Conventional machine learning (ML) models can achieve strong discriminative performance on structured clinical data or biosignals such as ECG, but they often behave as opaque black boxes—limiting clinical adoption where trust, accountability, and auditability are essential. Explainable Artificial Intelligence (XAI) provides a principled set of tools to expose model behavior, attribute contributions, and reduce the risk of spurious associations. This survey synthesizes recent research on XAI-driven heart disease prediction across two major data modalities—clinical tabular features and ECG signals. We review representative studies that apply SHAP-based post-hoc explainability on tree ensembles and gradient boosting, as well as signal-processing pipelines using DWT/EWT feature extraction for ECG followed by interpretable classifiers. We organize the literature by data source, modeling approach, and explanation technique, highlight a practical design that combines clinical and ECG pathways with SHAP-based global and local interpretability, and discuss open challenges in validation, uncertainty communication, and deployment.
AUTHOR SANKET S. GAJARE, PROF. DR. S. A. ITKAR Department of Computer Engineering, P.E.S. Modern College of Engineering, Pune, India
VOLUME 184
DOI DOI: 10.15680/IJIRCCE.2026.1405101
PDF pdf/101_XAI Based Heart Disease Prediction System with Feature Importance Visualization.pdf
KEYWORDS
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