Role of Cone-Beam CT in the Intraprocedural Evaluation of Chemoembolization of Hepatocellular Carcinoma

Table 2

Receiver operating characteristic (ROC) curves. AUC: area under curve; C.I.: confidence interval; PPV: positive predictive value; NPV: negative predictive value; CBCT: Cone-Beam computed tomography; HU: Hounsfield units.

	AUC	C.I. 95 %	Cut-off HU	Sensibility %	Specificity %	PPV %	NPV %
Main diameters, CBCT versus baseline CT (mm)	0.935	0.861–1	85.91	81.8	94.7	94.7	81.8
Volume, CBCT versus baseline CT (mm^3)	0.955	0.889–1	73.55	95.5	89.5	91.3	94.4
Density, CBCT versus baseline CT (HU)	0.981	0.942–1	82.5	95.5	100	100	95