Spectral computed tomography parameters of primary tumors and lymph nodes for predicting tumor deposits in colorectal cancer

Table 3 Results of the receiver operating characteristic analysis of the quantitative parameters for the differential diagnosis of the tumor deposits+ group and tumor deposits- group

Parameters	AUC	95%CI	Sensitivity	Specificity	Cutoff value	P value
Lymph node long diameter	0.651	0.535-0.766	0.606	0.705	8.750	0.011
Lymph node short diameter	0.658	0.538-0.777	0.485	0.864	7.750	0.008
Lymph node area	0.647	0.531-0.763	0.515	0.773	45.419	0.013
AP-NIC-LN	0.721	0.625-0.817	0.939	0.432	0.225	< 0.001
AP-NIC-T	0.587	0.479-0.695	0.818	0.386	0.155	0.141
AP-NIC-NTR	0.812	0.730-0.895	0.879	0.648	1.145	< 0.001
VP-NIC-LN	0.634	0.528-0.740	0.879	0.364	0.610	0.024
VP-NIC-T	0.631	0.527-0.736	0.576	0.659	0.514	0.026
VP-NIC-NTR	0.803	0.724-0.881	0.909	0.614	1.090	< 0.001

AP: Arterial phase; VP: Venous phase; NIC: Normalized iodine concentration; LN: Lymph node; T: Primary tumor; NTR: Lymph node-to-primary tumor ratio; AUC: Area under the curve.