Table 4.

ROC results with six classifiers of validation set in arterial phase.

Classifiers	Category	AUC	95% CI	Sensitivity	Specificity
KNN	PP	0.544	0.35–0.74	0.62	0.46
	GP	0.544	0.35–0.74	0.46	0.62
SVM	PP	0.621	0.44–0.80	0.62	0.69
	GP	0.621	0.44–0.80	0.69	0.62
XGBoost	PP	0.601	0.42–0.79	0.69	0.38
	GP	0.601	0.42–0.79	0.38	0.69
RF	PP	0.680	0.50–0.86	0.62	0.69
	GP	0.680	0.51–0.89	0.69	0.62
LR	PP	0.698	0.51–0.89	0.62	0.62
	GP	0.698	0.49–0.91	0.62	0.62
DT	PP	0.615	0.42–0.81	0.62	0.62
	GP	0.615	0.42–0.81	0.62	0.62