Research Article

Improving an Intelligent Detection System for Coronary Heart Disease Using a Two-Tier Classifier Ensemble

Table 9

Comparison of the proposed method with some prior studies using the StatLog dataset (the best value is indicated in bold).

StudyTechnique# of featuresValidation methodAccuracy (%) (%)AUC (%)Statistical test

[23]Logistic regression1310CV8587Not reportedNo
[26]Ensemble voting logistic regression multilayer perceptron naive Bayes1310CV898788No
This paperTwo-tier ensemble PSO-based feature selection810CV93.5591.6793.42Two-step
Statistical test