Continuous Dynamic Registration of Microvascularization of Liver Tumors with Contrast-Enhanced Ultrasound

Table 4

Best cut-off values as determined by the Youden index.

	Threshold	Specificity	Sensitivity
Peak	33.34	1.0	0.92
TTP	37.8	1.0	0.46
RBV	1910.2	1.0	0.85
RBF	48.4	0.86	0.92