International Journal For Multidisciplinary Research

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A Widely Indexed Open Access Peer Reviewed Multidisciplinary Bi-monthly Scholarly International Journal

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IOSA-Enhanced Feature Weighting for Lightweight Cardiovascular Risk Classification

Author(s) Mr. Deepak Yashwantrao Bhadane, Prof. Dr. Monika Tripathi Tripathi
Country India
Abstract Cardiovascular diseases remain a profound challenge to global health, accounting for a significant proportion of premature mortality and long-term disability. Recent shifts toward computational and data-driven approaches have enabled new possibilities for early detection and clinical decision support. However, the predictive efficiency of classical machine-learning models is often undermined by redundant, weakly informative or noisy features in clinical datasets. While complex deep-learning frameworks may offer higher predictive capability, they frequently require substantial computational resources, making them less practical for widespread adoption, particularly in resource-constrained environments. This study introduces a simple and efficient approach in which the Improved Owl Search Algorithm (IOSA) is used exclusively for generating feature-importance weights. These weights adjust the influence of each clinical attribute, enabling a lightweight classifier such as Logistic Regression to achieve improved accuracy without additional computational burden. Experimental evaluation shows meaningful enhancement in prediction accuracy and F1-score. The proposed approach is interpretable, scalable, and suitable for early cardiovascular risk assessment in primary-care and remote clinical settings.
Keywords Cardiovascular Disease, Feature Weighting, Improved Owl Search Algorithm, Lightweight Machine Learning, Clinical Prediction Models
Field Engineering
Published In Volume 7, Issue 6, November-December 2025
Published On 2025-12-06
DOI https://doi.org/10.36948/ijfmr.2025.v07i06.62675

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