Table 5.

DeLong test of ROC curve of models in the training dataset

Pairwise comparison of ROC curves	Difference between areas	Z	p
Radiomics and protein models	0.158	2.196	0.028*
Radiomics and combined models	0.008	0.619	0.536
Protein and combined models	0.149	2.317	0.021*

ROC receiver operating characteristics

*Statistically significant, p < 0.05