Table 5:

Area under ROC curve for multivariate analysis with P values compared with precontrast phase alone

Phase	AUC	P Value
Precontrast	0.983
Arterial	0.979	.8
Venous	0.965	.21
Delayed	0.957	.04
Precontrast, arterial	0.994	.26
Precontrast, venous	0.985	.28
Precontrast, delayed	0.983	NA
Arterial, venous	0.979	.8
Arterial, delayed	0.977	.73
Venous, delayed	0.964	.2
Precontrast, arterial, venous	0.995	.26
Precontrast, arterial, delayed	0.995	.29
Precontrast, venous, delayed	0.987	.57
Arterial, venous, delayed	0.979	.81
Precontrast, arterial, venous, delayed	0.996	.37

Note:—NA indicates not applicable; AUC, area under the curve.