Table 3 Diagnostic performance of models for IBC-EIC prediction in this study.

	Models	AUC (95% CI)	Accuracy	Sensitivity	Specificity	PPV	NPV
After PSM	MRI model	0.80 (0.74, 0.86)	0.74	0.60	0.89	0.84	0.69
	ITH^kinetic score	0.85 (0.79, 0.90)	0.79	0.77	0.81	0.81	0.78
	PTH^kinetic score	0.73 (0.66, 0.80)	0.69	0.61	0.77	0.73	0.66
	Image combined model	0.91 (0.86, 0.95)	0.85	0.80	0.91	0.90	0.82
Before PSM	MRI model	0.80 (0.75, 0.85)	0.79	0.60	0.86	0.61	0.86
	ITH^kinetic score	0.73 (0.68, 0.78)	0.67	0.75	0.64	0.43	0.88
	PTH^kinetic score	0.64 (0.58, 0.71)	0.57	0.70	0.52	0.34	0.83
	Image combined model	0.85 (0.81, 0.90)	0.83	0.74	0.86	0.66	0.90

IBC-EIC extensive intraductal component in invasive breast cancer, PSM propensity score matching, AUC area under the curve, PPV positive predictive value, NPV negative predictive value, CI confidence intervals, ITH^kinetic kinetic intratumor heterogeneity, PTH^kinetic kinetic peritumor heterogeneity.

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