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

Table 11

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

Study	Technique	# of features	Validation method	Accuracy (%)	(%)	AUC (%)	Statistical test
[21]	Neural network genetic algorithm	14	10CV	87.1	Not reported	Not reported	No
This paper	Two-tier ensemble PSO-based feature selection	6	10CV	91.18	90.91	92.98	Two-step statistical test