Clinical value and applicability of radiomics in differential diagnosis of dual-phenotype hepatocellular carcinoma and intrahepatic cholangiocarcinoma

Table 3 Classification performance of different models

	Variables	Clinical-sign model	Radiomic model	Combined model
Training set	AUC	0.916	0.967	0.954
	95%CI	0.850-0.960	0.916-0.991	0.898-0.984
	Sensitivity	0.831	0.949	0.864
	95%CI	0.735-0.926	0.893-1.000	0.777-0.952
	Specificity	0.842	0.842	0.912
	95%CI	0.747-0.937	0.747-0.937	0.839-0.986
	Accuracy	0.836	0.897	0.888
	95%CI	0.834-0.839	0.895-0.898	0.886-0.890
Testing set	AUC	0.811	0.845	0.892
	95%CI	0.677-0.907	0.716-0.931	0.774-0.962
	Sensitivity	0.731	0.808	0.846
	95%CI	0.560-0.901	0.656-0.959	0.707-0.985
	Specificity	0.720	0.840	0.840
	95%CI	0.544-0.896	0.696-0.984	0.696-0.984
	Accuracy	0.726	0.824	0.843
	95%CI	0.718-0.733	0.818-0.829	0.838-0.846