Table 5. Results of AUROC analysis using different flow direction methods for three cases.

Classification		ACC	TPR	FPR	AUC
Result A	SFD	0.63	0.39	0.11	0.77
	MFD	0.67	0.49	0.15	0.78
	IFD	0.63	0.38	0.11	0.77
Result B	SFD	0.61	0.21	0.03	0.78
	MFD	0.61	0.28	0.05	0.79
	IFD	0.58	0.20	0.03	0.79
Result C	SFD	0.61	0.26	0.03	0.80
	MFD	0.64	0.34	0.05	0.81
	IFD	0.60	0.26	0.03	0.80