Table 2.

AUC, Accuracy, NPV, PPV, Sensitivity, and Specificity of the Four Machine Learning Methods on the Test Set.

model	AUC	Accuracy	NPV	PPV	Sensitivity	Specificity
SVM	0.6391	0.6731	0.5652	0.7586	0.6875	0.6500
Lasso	0.6266	0.6731	0.5714	0.7419	0.7188	0.6000
LDA	0.6500	0.6923	0.6111	0.7353	0.7812	0.5500
RF	0.6727	0.6731	0.5484	0.8571	0.5625	0.8500

* area under the curve (AUC) ; negative predictive value (NPV) ; positive predictive value (PPV)