Comprehensive radiomics nomogram for predicting survival of patients with combined hepatocellular carcinoma and cholangiocarcinoma

Table 3 Comparison of hazard ratios describing risk for different predictive models

Model	HR (95%CI)	P value
Radiomics score		< 0.001
Low risk	Ref.
High risk	5.908 (3.285-10.626)
Clinical model		< 0.001
Low risk	Ref.
High risk	2.653 (1.532-4.595)
Radiomics nomogram		< 0.001
Low risk	Ref.
High risk	8.155 (4.498-14.785)

CI: Confidence interval; HR: Hazard ratio; Ref.: Reference.