[Retracted] Integrative Nomogram of Computed Tomography Radiomics, Clinical, and Tumor Immune Features for Analysis of Disease-Free Survival of NSCLC Patients with Surgery

Table 4

Performance comparison of different models (C-index).

Model	Modeling factors	Training set (n = 102)	Test set (n = 34)
		C-index	C-index
Comprehensive nomogram model	Immunophenotyping + TNM stage + microvascular invasion + family history of tumor + solid opacity + rad_score	0.8766	0.8426
Clinicopathological-radiomics model	TNM stage + microvascular invasion + family history of tumor + solid opacity + Rad-score	0.873	0.835
Radiomics model	Rad-score	0.8136	0.7
Clinicopathological model	TNM clinical stage + microvascular invasion + family history of tumor + solid opacity	0.7979	0.7613

C-index calculates the degree of discrimination between COX model predictions and true values in survival analysis.