Table 1.
Baseline characteristics of the studied patients (Ribeirão Preto, Brazil, 2010).
| Variables | n | % |
| Age (years) | ||
| <50 | 10 | 33.3 |
| 50+ | 20 | 66.7 |
| Tumor size (cm) | ||
| ≤5 | 15 | 50 |
| 5.1-10 | 13 | 43.3 |
| >10 | 2 | 6.7 |
| Menopausal status | ||
| Pre-menopause | 14 | 46.7 |
| Post-menopause | 16 | 53.3 |
| Histological subtype | ||
| Ductal | 28 | 93.3 |
| Lobular | 2 | 6.7 |
| Histological grade | ||
| I | 3 | 10 |
| II | 16 | 53.3 |
| III | 11 | 36.7 |
| Clinical staging (TNM) | ||
| IIA | 4 | 13.3 |
| IIB | 4 | 13.3 |
| IIIA | 10 | 33.4 |
| IIIB | 7 | 23.3 |
| IIIC | 5 | 16.7 |
| Estrogen receptor (ER) | ||
| Positive | 19 | 63.3 |
| Negative | 11 | 36.7 |
| Progesterone receptor (PR) | ||
| Positive | 14 | 46.7 |
| Negative | 16 | 53.3 |
| c-erbB-2 | ||
| Positive | 10 | 33.3 |
| Negative | 20 | 66.7 |
| HIF-1α | ||
| Positive | 20 | 66.7 |
| Negative | 10 | 33.3 |
| VEGF-C | ||
| Positive | 19 | 63.3 |
| Negative | 11 | 36.7 |
| Total | 30 | 100.0 |