Table 3. The risk classification performance of the radiomics models.

Group	AUC	95%CI	Sensitivity (%)	Specificity (%)
UECT
Training set	0.842	0.763–0.922	71.43	74.07
Validation set	0.774	0.632–0.916	74.36	72.73
CECT
Training set	0.741	0.628–0.814	66.67	64.81
Validation set	0.734	0.597–0.872	62.96	66.67

UECT, unenhanced computed tomography; CECT, contrast-enhanced computed tomography; AUC, area under the curve.