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All Journal Journal of Technology and Informatics (JoTI)
Fadhilah Dwi Wulandari
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Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Mechanical Engineering

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Segmentasi dan Klasifikasi Risiko Perdarahan dengan Algoritma K-Means dan Naive Bayes Berdasarkan Data Klinis dan Transfusi Aryanti Aryanti; Fadhilah Dwi Wulandari; Muhammad Rafiif; Faris Alghaniyyu; Naris Kirana; M. Nawval Alfazri
Journal of Technology and Informatics (JoTI) Vol. 7 No. 2 (2025): Vol. 7 N. 2 (2025)
Publisher : Universitas Dinamika

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Abstract

Bleeding risk assessment is essential in clinical decision-making, especially for patients undergoing frequent blood transfusions. This study presents a machine learning approach combining K-Means clustering and Gaussian Naive Bayes classification to assess bleeding risk based on clinical and transfusion history data. Patients were categorised into K-Means clusters, with the ideal number of clusters established by the Elbow Method and Silhouette Score. PCA visualisation demonstrated distinct distinctions among clusters. Cluster 0 contained patients with higher transfusion volume and frequency, showing significantly higher bleeding risk. Subsequently, the Naive Bayes classifier was trained on clinical features to predict bleeding risk and categorized into two risk levels. The model achieved 85.45 percent accuracy on training data and 86.67 percent on testing data, with the highest predictive accuracy observed in Cluster 0 (95.65 percent). These results highlight the potential of combining unsupervised and supervised learning techniques to enhance bleeding risk stratification and support better transfusion management.
Co-Authors aryanti aryanti Faris Alghaniyyu M. Nawval Alfazri Muhammad Rafiif Naris Kirana