Table 16 Diagnostic accuracy of marked enhancement on CESM in the whole study cohort
From: Contrast-enhanced spectral mammography: successful initial clinical institute experience
Lesion classification by SMG | Final diagnosis | Â | |
|---|---|---|---|
Malignant | Benign | Total | |
Marked enhancement | 59 | 3 | 62 |
No to moderate enhancement | 27 | 34 | 61 |
Total | 86 | 37 | 123 |
Statistic | Value | Lower bound (95%) | Upper bound (95%) |
Correct classification | 76% | 68% | 83% |
Misclassification | 24% | 17% | 32% |
Sensitivity | 69% | 58% | 77% |
Specificity | 92% | 78% | 98% |
False positive rate | 8% | 0% | 16% |
False negative rate | 31% | 22% | 41% |
Prevalence | 70% | 62% | 78% |
Positive predictive value (PPV) | 95% | 90% | 100% |
Negative predictive value (NPV) | 56% | 43% | 68% |
Positive likelihood ratio (LR+) | 8.46 | 2.83 | 25.27 |
Negative likelihood ratio (LR−) | 0.34 | 0.25 | 0.47 |
Relative risk | 2.15 | 1.62 | 2.85 |
Odds ratio | 24.77 | 7.54 | 81.31 |