Table 5.
Comparison of Clinicopathological Characteristics Between SLNs Metastasis Coincidence Group and Non-Coincidence Group
| Characteristics | Non-Coincidence Group (n=31) | Coincidence Group (n=389) | P value |
|---|---|---|---|
| Ages, years | 52.57 ± 10.76 | 49.91±10.18 | 0.30 |
| Histologic type | 0.56 | ||
| Invasive ductal | 30 | 362 | |
| Invasive lobular | 1 | 13 | |
| Other | 0 | 14 | |
| Histologic grade | 0.35 | ||
| I | 1 | 16 | |
| II | 21 | 237 | |
| III | 9 | 100 | |
| Missing | 0 | 36 | |
| Pathological tumor (T) stage | 0.77 | ||
| T1a (>1 mm, ≤5 mm) | 0 | 6 | |
| T1b (>5 mm, ≤10 mm) | 1 | 25 | |
| T1c (>10 mm, ≤20 mm) | 15 | 168 | |
| T2 (>20 mm, ≤50 mm) | 15 | 190 | |
| HR status | 0.64 | ||
| HR negative | 5 | 76 | |
| HR positive | 26 | 313 | |
| HER2 status | 0.03 | ||
| HER2 negative | 16 | 285 | |
| HER2 positive | 14 | 91 | |
| Missing | 1 | 13 | |
| Ki67 status | 0.02 | ||
| Low expression | 5 | 144 | |
| High expression | 26 | 245 |
Abbreviations: SLNs, Sentinel lymph nodes; HR, hormone receptor; HER2, Human epidermal growth factor receptor 2.