TABLE 5.

The p-values of the DeLong test of the statistical comparison of the ROC curves in all datasets.

	Training dataset	Temporal validation dataset	External validation dataset
R-model vs. M-model	0.458	0.211	0.457
M-model vs. RM-model	0.041	0.005	0.224
R-model vs. RM-model	0.176	0.115	0.559
R-model vs. CM-model	0.743	0.685	0.603
M-model vs. CM-model	0.515	0.212	0.106
R-model vs. CRM-model	0.078	0.041	0.407
M-model vs. CRM-model	0.018	0.002	0.152
RM-model vs. CRM-model	0.176	0.096	0.378
CM-model vs. CRM-model	0.038	0.018	0.993

R-model, radiomics model; M-model, morphological model; RM-model, radiomics-morphological model; CM-model, clinical-morphological model; CRM-model, clinical-radiomics-morphological model.