Table 5.

The specificity, sensitivity, and corresponding cutoff value of optimal texture parameters based on pre-contrast, arterial, portal, and equilibrium phases of CT images

Phase	Parameters	AUC	Specificity (%)	Sensitivity (%)	Youden Index	Cutoff value
Pre-contrast phase	135dr_GLevNonU	0.766	73.53	77.94	0.51	1055
Arterial phase	Vertl_RLNonUni	0.764	70.59	75	0.64	5974.38
Portal phase	45dgr_GLevNonU	0.743	82.35	58.82	0.41	7445.56
Equilibrium phase	Vertl_RLNonUni	0.754	73.53	73.53	0.47	4867.8

AUC, area under the curve