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| Pathological examination |
|||
|---|---|---|---|
| Malignant tumor | Benign/borderline tumor | ||
| ≥30 μA | 70 (53.0%) | 8 (6.2%) | |
| <30 μA | 14 (10.8%) | 38 (29.2%) | |
| Coincidence rate | 83.1% | ||
| Sensitivity | 83.3% | ||
| Specificity | 82.6% | ||
| Positive predictive value | 89.7% | ||
| Negative predictive value | 73.1% | ||
| The area under ROC curve | 0.842 | ||
