Table 6.

Diagnostic performance of radiomic signatures and the nomogram for the prediction of pCR

	Training set (n = 107)						Validation set (n = 45)
	Accuracy	Sensitivity	Specificity	PPV	NPV	AUC(95% CI)	Accuracy	Sensitivity	Specificity	PPV	NPV	AUC(95% CI)
Radiomics signature	0.897	0.926	0.808	0.938	0.778	0.92 (0.86–0.98)	0.889	0.882	0.909	0.968	0.714	0.91 (0.81–1.00)
Radiomics nomogram	0.897	0.926	0.808	0.938	0.778	0.92 (0.86–0.98)	0.889	0.882	0.909	0.968	0.714	0.91 (0.82–1.00)

CI, confidence interval; PPV, positive prediction value; NPV, negative prediction value