Heart Disease Classification Based on Medical Record Data Using the Logistic Regression Method

Syahyana Iswari; Rozzi Kesuma Dinata; Hafizh Al Kautsar Aidilof

doi:10.30865/json.v7i1.8867

Authors

Syahyana Iswari Universitas Malikussaleh
Rozzi Kesuma Dinata Universitas Malikussaleh
Hafizh Al Kautsar Aidilof Universitas Malikussaleh

DOI:

https://doi.org/10.30865/json.v7i1.8867

Keywords:

Data Mining, Classification, Logistic Regression, Disease.

Abstract

Heart disease remains one of the primary causes of mortality globally and poses a significant public health concern, including in Indonesia. Early identification of individuals at risk is essential for lowering death rates and enhancing the success of medical interventions. This research focuses on developing a classification model for heart disease using the Logistic Regression technique, utilizing data extracted from patient medical records. The dataset comprises 100 entries, each containing six key features: age, gender, blood pressure, heart rate, respiratory rate, and chest pain. The model was trained on 80% of the data and evaluated using the remaining 20%. Model performance was assessed using several metrics, including accuracy, precision, recall (sensitivity), F1-score, confusion matrix, and the ROC (Receiver Operating Characteristic) curve. The evaluation results revealed an accuracy of 95%, precision of 100%, recall of 88.89%, F1-score of 94.12%, and an AUC score of 0.99. These outcomes suggest that Logistic Regression is highly effective for classifying heart disease risk and can serve as a valuable tool in early detection systems supported by medical record data.

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