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Optimal cut-off values for diagnosis of ALN metastasis with MDCT.
| MDCT variates | Optimal cut-off value | Sensitivity (%) | Specificity (%) | Youden index (%) |
|---|---|---|---|---|
| Long-axis diameter | 14.5 mm | 42.6 | 72.4 | 15.0 |
| Short-axis diameter | 9.5 mm | 49.2 | 82.8 | 31.9 |
| Ratio of long-/short-axis | 1.7 | 72.1 | 57.5 | 29.6 |
| Cortical thickness | 3 mm | 85.3 | 82.8 | 68.0 |
| Shape | 73.8 | 67.8 | 41.6 | |
| Fatty hilum | 88.5 | 71.1 | 58.6 | |
| Combination of all variates | 85.3 | 87.4 | 72.6 |
ALN, axillary lymph nodes; MDCT, multidetector-row computed tomography.
