Table 1.
Univariate analysis of clinical characteristics, histopathological findings and tumor size for predicting regional lymph node metastasis
| Positive LNs (n = 61) | Negative LNs (n = 45) | |
|---|---|---|
| Age (mean, years) | 36.42±6.57 | 49.64±6.45 |
| Anatomical distribution | ||
| Upper-outer quadrant | 38 | 20 |
| Lower-outer quadrant | 9 | 7 |
| Upper-inner quadrant | 6 | 13 |
| Lower-inner quadrant | 8 | 5 |
| Differentiation | ||
| Well | 14 | 19 |
| Moderate | 35 | 25 |
| Poor | 12 | 1 |
| T-stage | ||
| T1 | 6 | 12 |
| T2 | 36 | 33 |
| T3 | 19 | 0 |
| Tumor width (CEUS) | ||
| < 2.7 | 18 | 36 |
| ≥ 2.7 | 43 | 9 |
| Tumor depth (CEUS) | ||
| < 1.95 | 21 | 34 |
| ≥ 1.95 | 40 | 11 |
| Tumor area | ||
| < 5.37 | 18 | 27 |
| ≥ 5.37 | 43 | 18 |