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The diagnostic performances among the readers and the nomogram
| AUC (95%CI) | Accuracy | Sensitivity | Specificity | PPV | NPV | cut-off value | |
|---|---|---|---|---|---|---|---|
| Training cohort | 0.907 (0.878–0.936) | 83.3% | 77.9% | 89.4% | 89.2% | 78.1% | 0.343 |
| Validation cohort | 0.896 (0.850–0.942) | 83.1% | 78.1% | 89.5% | 90.4% | 76.4% | 0.343 |
| Readers | 0.895 (0.869–0.921) | 84.3% | 87.9% | 81.2% | 82.4% | 87.0% | BI-RADS 4A |
AUC: Area Under the Curve, CI: Confidence Interval, PPV: Positive Predictive Value, NPV: Negative Predictive Value
