Table 6.

P-values of DeLong test for AUC of 6 different signatures or indicators.

	Rad signature120kvp	Rad signatureI map	Short diameter	Long diameter	VP NIC	CEA
Rad-signature120kvp (AUC=0.922)	–	0.2299	0.0473*	0.013*	0.0359*	0.0001*
Rad-signatureImap (AUC=0.866)	0.2299	–	0.2063	0.0333*	0.1167	0.0018*
Short-axis diameter (AUC=0.779)	0.0473*	0.2063	–	0.1682	0.1719	0.0098*
Long-axis diameter (AUC=0.714)	0.013*	0.0333*	0.1682	–	0.9731	0.1049
VP NIC (AUC=0.718)	0.0359*	0.1167	0.5739	0.9731	–	0.1719
CEA (AUC=0.540)	0.0001*	0.0018*	0.0098*	0.1049	0.5739	–

*P-value<0.05; VP NIC, venous phase normalized iodine concentration.