Table 1 Patient characteristics
Patients—N (%) | 345 (100.0) |
Age at surgery, years | |
Mean (SD) | 61.0 (11.3) |
Min–max | 29.9–87.7 |
Menopausal status—N (%) | |
Pre | 73 (21.2) |
Post | 272 (78.8) |
Type of surgery—N (%) | |
Mastectomy | 44 (12.8) |
Quadrantectomy | 292 (84.6) |
Nodulectomy | 9 (2.6) |
Number of excised sentinel nodes per patient | |
Mean (SD) | 1.5 (0.9) |
Min–max | 1–7 |
Number of sentinel nodes excised, distribution—N (%) | |
1 | 227 (65.8) |
2 | 77 (22.3) |
3 | 28 (8.1) |
4 | 8 (2.3) |
≥5 | 5 (1.4) |
Number of positive sentinel nodes per patient | |
Mean (SD) | 1.2 (0.5) |
Min–max | 1–4 |
Sentinel node status | |
Patients with negative sentinel nodes—N (%) | 261 (75.7) |
Isolated tumoral cells | 33 (12.6) |
No Isolated tumoral cells | 228 (87.4) |
Patients with positive sentinel nodes—N (%) | 84 (24.3) |
Micrometastasis | 31 (36.9) |
Macrometastasis | 53 (63.1) |
Axillary dissection—N (%)a | 65 (18.8) |
Number of resected nodes per patient | |
Mean (SD) | 15.4 (5.5) |
Min–max | 1–31 |
Number of positive nodes per patient | |
Mean (SD) | 1.8 (3.5) |
Min–max | 0–18 |