Table 1.
Clinico-pathological characteristics of breast cancer patients included in the study (n = 715).
| Clinico-pathological variables | n (%) |
|---|---|
| Age at diagnosis, years | |
| Mean ± SD | 41.2 ± 9.9 |
| Median (range) | 39.4 (13–84) |
| ≤ 50 | 614 (85.9) |
| > 50 | 101 (14.1) |
| Family history of breast cancer | |
| No | 582 (81.4) |
| Yes | 133 (18.6) |
| Bilateral breast cancer | |
| Yes | 12 (1.7) |
| No | 703 (98.3) |
| Lymph node status | |
| Negative | 260 (36.4) |
| Positive | 434 (60.7) |
| Unknown | 21 (2.9) |
| Distant metastasis | |
| Absent | 628 (87.9) |
| Present | 66 (9.2) |
| Unknown | 21 (2.9) |
| Stage | |
| I | 98 (13.7) |
| II | 285 (39.9) |
| III | 245 (34.3) |
| IV | 66 (9.2) |
| Unknown | 21 (2.9) |
| Histologic grade | |
| Well differentiated | 48 (6.7) |
| Moderately differentiated | 322 (45.0) |
| Poorly differentiated | 310 (43.4) |
| Unknown | 35 (4.9) |
| Estrogen receptor status | |
| Positive | 393 (55.0) |
| Negative | 291 (40.7) |
| Unknown | 31 (4.3) |
| Progesterone receptor status | |
| Positive | 360 (50.3) |
| Negative | 323 (45.2) |
| Unknown | 32 (4.5) |
| Her-2 neu status | |
| Positive | 233 (32.6) |
| Negative | 441 (61.7) |
| Unknown | 41 (5.7) |