Table 3.

Evaluation by area under the receiver operating characteristic (AUROC) score of 5-fold cross-validation to select features.

Number of features	Values, mean (SD)
	ACCa	Senb	Spec	PPVd	NPVe	AUROC
886 (All)	0.782f (0.004)	0.716 (0.005)	0.824 (0.005)	0.71 (0)	0.828 (0.004)	0.865 (0.0018)
150 (RFEg)	0.77 (0)	0.696 (0.005)	0.814 (0.005)	0.694 (0.005)	0.818 (0.004)	0.853 (0.0018)
50 (RFE and FIh)	0.76 (0)	0.67 (0.006)	0.812 (0.004)	0.682 (0.004)	0.802 (0.004)	0.840 (0.00096)

^aACC: accuracy.

^bSen: sensitivity.

^cSpe: specificity.

^dPPV: positive predictive value.

^eNPV: negative predictive value.

^fThe italicized values refer to the highest score of each metric.

^gRFE: recursive feature elimination.

^hFI: feature importance.