Table 1.
Patient characteristics
| Characteristic | Value |
|---|---|
| Age at diagnosis (yr) | 53.47 (30–79) |
| Tumor size (cm) | 1.29 (0.5–2.9) |
| Ki-67 labeling index (%) | 12.93 (0.5–74.7) |
| Histologic type | |
| Invasive NST | 81 (87.1) |
| Invasive lobular | 8 (8.6) |
| Pleomorphic lobular | 2 (2.2) |
| Mucinous | 2 (2.2) |
| Histologic grade | |
| 1 | 55 (59.1) |
| 2 | 37 (39.8) |
| 3 | 1 (1.1) |
| Tubule formation | |
| 1 | 19 (20.4) |
| 2 | 37 (39.8) |
| 3 | 37 (39.8) |
| Nuclear grade | |
| 1 | 17 (18.3) |
| 2 | 71 (76.3) |
| 3 | 5 (5.4) |
| Mitosis | |
| 1 | 82 (88.2) |
| 2 | 10 (10.8) |
| 3 | 1 (1.1) |
Values are presented as mean (range) or number (%). NST, no special type.