Table 2.

Performance of 5-fold cross-validation on training set with different modal inputs

AUC	Modality	Fold-1	Fold-2	Fold-3	Fold-4	Fold-5	Mean ± 1 std.dev
Model 1	US	0.909	0.959	0.962	0.923	0.938	0.937 ± 0.021
Model 2	US + menopausal status	0.943	0.977	0.983	0.952	0.957	0.960 ± 0.015
Model 3	US + menopausal status+serum tumor markers	0.964	0.993	0.986	0.954	0.977	0.971 ± 0.014