Prediction of Chemoresistance in Women Undergoing Neo-Adjuvant Chemotherapy for Locally Advanced Breast Cancer: Volumetric Analysis of First-Order Textural Features Extracted from Multiparametric MRI

Table 1

Univariate analysis of the correlations between texture parameters and the nonresponder category. Negative predictive value: NPV, positive predictive value: PPV, accuracy: ACC, and area under the curve: AUC.

Parameter	Threshold	Sensitivity	Specificity	PPV	NPV	ACC	AUC	value
	536645,51	0,50	0,88	0,42	0,91	0,83	0,71	0,03
	534858,33	0,50	0,88	0,42	0,91	0,83	0,72	0,03
TME75	373,03	0,80	0,63	0,27	0,95	0,65	0,70	0,05
Washout10	0,01	0,70	0,68	0,27	0,93	0,68	0,70	0,04
Washout20	0,01	0,70	0,83	0,41	0,94	0,81	0,75	0,01
Washout25	0,03	0,70	0,81	0,39	0,94	0,80	0,75	0,01