Table 1.
Patients' characteristics
| ASLND (SD) (n = 817) | ALND (SD) (n = 140) | P | |
| Average age (years) | 55.8 (8.3) | 56.1 (9.5) | 0.7 |
| Average pathological tumor size (mm) | 13.5 (7) | 16.3 (12) | 0.0001 |
| Carcinoma (%) | |||
| Infiltrative ductal | 87 | 84 | 0.23 |
| Infiltrative lobular | 2 | 1 | |
| Others | 10 | 15 | |
| Tumor–node–metastasis (%) | |||
| Nonpalpable | 34 | 21 | 0.003 |
| T1 | 65 | 79 | |
| Tis | 1 | 0 | |
| Bra cup sizea (%) | |||
| AB | 52.4 | 42.1 | 0.09 |
| CD | 43.2 | 54.4 | |
| EF | 4.4 | 3.5 | |
| Menopausal status (%) | 62.8 | 65 | 0.32 |
Mean (SD).
a
According to international definition AB, CD, >DD.
ASLND, axillary sentinel lymph node dissection; ALND, axillary lymph node dissection; SD, standard deviation; Tis, tumor in situ.