Table 4.

ROC analysis for the NCE-radiomics and CE-radiomics models from target lesions approach.

Variables	NCE-radscore		CE-radscore
	Training set	Testing set	Training set	Testing set
AUC (95% CI)	0.66 (0.55-0.78)	0.63 (0.41-0.85)	0.75 (0.65-0.85)	0.68 (0.49-0.88)
P	0.008	0.23	<0.001	0.041
Specificity	0.70	0.65	0.67	0.52
Sensitivity	0.61	0.64	0.72	0.61
Accuracy (95% CI)	0.66 (0.55-0.76)	0.65 (0.48-0.79)	0.69 (0.59-0.78)	0.55 (0.38-0.71)