Table 2.

Performance comparison. The metric values in bold come from the test study, while the values in the line below are from the retest study with corresponding features and model.

	No.	AUC	ACC	SEN	SPE
CFS	7	0.867 ± 0.023	0.733 ± 0.035	0.883 ± 0.018	0.793 ± 0.023
		0.896 ± 0.020	0.724 ± 0.035	0.900 ± 0.018	0.806 ± 0.022
ECFS	9	0.887 ± 0.018	0.739 ± 0.028	0.894 ± 0.011	0.806 ± 0.014
		0.926 ± 0.013	0.717 ± 0.034	0.915 ± 0.012	0.816 ± 0.017
ILFS	6	0.866 ± 0.028	0.678 ± 0.044	0.854 ± 0.030	0.763 ± 0.031
		0.907 ± 0.025	0.665 ± 0.043	0.884 ± 0.027	0.779 ± 0.029
LAPLACIAN	12	0.863 ± 0.018	0.730 ± 0.030	0.880 ± 0.013	0.790 ± 0.016
		0.891 ± 0.013	0.716 ± 0.028	0.893 ± 0.011	0.799 ± 0.014
LASSO	10	0.858 ± 0.020	0.685 ± 0.030	0.851 ± 0.013	0.763 ± 0.016
		0.862 ± 0.019	0.692 ± 0.025	0.856 ± 0.011	0.772 ± 0.013
LLCFS	10	0.855 ± 0.020	0.735 ± 0.027	0.876 ± 0.009	0.789 ± 0.013
		0.887 ± 0.014	0.714 ± 0.025	0.891 ± 0.009	0.796 ± 0.012
RELIEFF	6	0.855 ± 0.020	0.718 ± 0.026	0.868 ± 0.011	0.780 ± 0.013
		0.880 ± 0.015	0.695 ± 0.037	0.876 ± 0.012	0.782 ± 0.019
ROC	10	0.878 ± 0.019	0.728 ± 0.029	0.885 ± 0.013	0.796 ± 0.016
		0.919 ± 0.012	0.706 ± 0.035	0.908 ± 0.013	0.807 ± 0.018
UFSOL	10	0.858 ± 0.020	0.731 ± 0.028	0.877 ± 0.011	0.788 ± 0.013
		0.889 ± 0.016	0.709 ± 0.029	0.892 ± 0.009	0.794 ± 0.014
WILCOXON	8	0.887 ± 0.019	0.726 ± 0.027	0.890 ± 0.013	0.799 ± 0.015
		0.925 ± 0.013	0.707 ± 0.036	0.910 ± 0.013	0.810 ± 0.019