From: Contrast-enhanced spectral mammography: successful initial clinical institute experience
Lesion classification by SMG | Final diagnosis | Â | |
---|---|---|---|
Malignant | Benign | Total | |
Probably malignant (BIRADS 4–6) | 35 | 3 | 38 |
Probably benign (BIRADS 1–3) | 1 | 10 | 11 |
Total | 36 | 13 | 49 |
Statistic | Value | Lower bound (95%) | Upper bound (95%) |
Correct classification | 92% | 84% | 100% |
Misclassification | 8% | 0% | 16% |
Sensitivity | 97% | 84% | 100% |
Specificity | 77% | 49% | 92% |
False positive rate | 23% | 3% | 43% |
False negative rate | 3% | 0% | 8% |
Prevalence | 73% | 61% | 86% |
Positive predictive value (PPV) | 92% | 84% | 100% |
Negative predictive value (NPV) | 91% | 74% | 100% |
Positive likelihood ratio (LR+) | 4.21 | 1.56 | 11.38 |
Negative likelihood ratio (LR−) | 0.04 | 0.01 | 0.26 |
Relative risk | 10.13 | 2.27 | 45.19 |
Odds ratio | 116.67 | 15.28 | 890.87 |