Table 17 Diagnostic accuracy of marked enhancement on CESM in patients with ACR grade A/B
From: Contrast-enhanced spectral mammography: successful initial clinical institute experience
Lesion classification by SMG | Final diagnosis | Â | |
|---|---|---|---|
Malignant | Benign | Total | |
Marked enhancement | 21 | 1 | 22 |
No to moderate enhancement | 15 | 12 | 27 |
Total | 36 | 13 | 49 |
Statistic | Value | Lower bound (95%) | Upper bound (95%) |
Correct classification | 67% | 54% | 80% |
Misclassification | 33% | 20% | 46% |
Sensitivity | 58% | 42% | 73% |
Specificity | 92% | 64% | 100% |
False positive rate | 8% | 0% | 20% |
False negative rate | 42% | 26% | 57% |
Prevalence | 73% | 61% | 86% |
Positive predictive value (PPV) | 95% | 87% | 100% |
Negative predictive value (NPV) | 44% | 26% | 63% |
Positive likelihood ratio (LR+) | 7.58 | 1.13 | 50.86 |
Negative likelihood ratio (LR−) | 0.45 | 0.30 | 0.69 |
Relative risk | 1.72 | 1.22 | 2.42 |
Odds ratio | 16.80 | 2.74 | 103.19 |