Table 1.
Patient characteristics at baseline
| Characteristic (N = 900) | N (%) |
|---|---|
| Age | |
| Median | 58 |
| Range | 21–86 |
| Menopausal status | |
| Pre | 249 (27.7) |
| Post | 651 (72.3) |
| Histology | |
| Ductal | 786 (87.4) |
| Lobular | 57 (6.3) |
| Other | 57 (6.3) |
| Tumor size | |
| T1a | 68 (7.6) |
| T1b | 339 (37.6) |
| T1c | 493 (54.8) |
| Grading | |
| G1 | 179 (19.9) |
| G2 | 450 (50.0) |
| G3 | 174 (19.3) |
| Unknown | 97 (10.8) |
| Ki67 | |
| <15 % | 478 (53.1) |
| >15 % | 252 (28.0) |
| Unknown | 170 (18.9) |
| Hormone receptor status | |
| Positive | 753 (83.7) |
| Negative | 136 (15.1) |
| Unknown | 11 (1.2) |
| HER-2/neu status | |
| Overexpressed or amplified | 97 (10.8) |
| Negative | 599 (66.5) |
| Unknown | 204 (22.7) |