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Table 3 Showed the cutoff ADC value between recurrent breast carcinoma and benign post-operative changes by both observers

From: Detection of recurrent breast carcinoma using unenhanced breast MRI

ADC AUC (95% CI) P Value Cutoff point Sensitivity (%) Specificity (%) PPV (%) NPV (%) Accuracy (%)
First observer 0.899 (0.811–0.986) < 0.001 1.0 80.0 90.9 66.7 95.2 88.9
Second observer 0.928 (0.858–0.999) < 0.001 1.25 80.0 88.6 61.5 95.1 87.03