Table 1.
Characteristics at diagnosis of all 35 patients with breast cancer.
| Variable | |
|---|---|
| Age at diagnosis, years | |
| Range | 33–73 |
| mean (SD) | 52.2 (9.7) |
| Laterality, n (%) | |
| Right | 17 (48.6) |
| Left | 18 (51.4) |
| Histological grade, n (%) | |
| 1 | 4 (11.4) |
| 2 | 23 (65.7) |
| 3 | 8 (22.9) |
| Tumor status, n (%) | |
| T1 | 16 (45.7) |
| T2 | 9 (25.7) |
| T3 | 5 (14.3) |
| T4 | 5 (14.3) |
| Lymph node status, n (%) | |
| N0 | 17 (48.6) |
| N1 | 8 (22.9) |
| N2 | 5 (14.3) |
| N3 | 5 (14.3) |
| Metastatic status, n (%) | |
| M0 | 25 (71.4) |
| M1 | 10 (28.6) |
| Clinical stage, n (%) | |
| I | 10 (28.6) |
| II | 7 (20.0) |
| III | 8 (22.9) |
| IV | 10 (28.6) |
| ER, n (%) | |
| Positive | 26 (74.3) |
| Negative | 9 (25.7) |
| PR, n (%) | |
| Positive | 20 (57.1) |
| Negative | 15 (42.9) |
| C-erbB-2, n (%) | |
| Positive | 14 (40.0) |
| Negative | 21 (60.0) |
| p53, n (%) | |
| Positive | 21 (60.0) |
| Negative | 14 (40.0) |
| Ki-67 score, n (%) | |
| High (≥25%) | 18 (51.4) |
| Low (<25%) | 17 (48.6) |
SD: standard deviation.
ER: estrogen receptor.
PR: progesterone receptor.
c-erbB-2: human epidermal growth factor receptor 2.