Table 1.
Demographic and clinical characteristics of breast cancer patients (n = 228)
| Variables | No. of patients (%) |
|---|---|
| Age (years) | |
| ≤ 35 | 22 (9.6) |
| > 35 | 206 (90.4) |
| TNM stage | |
| 0 | 9 (3.9) |
| I | 7 (36.0) |
| II | 64 (47.4) |
| III | 16 (12.7) |
| Surgery | |
| Mastectomy | 211 (92.5) |
| BCS | 17 (7.5) |
| Tumor size (cm) | |
| < 2 | 72 (31.6) |
| 2-5 | 148 (64.9) |
| > 5 | 8 (3.5) |
| Lymph node involvement (n) | |
| 0 | 118 (51.8) |
| 1-3 | 62 (27.2) |
| 4-9 | 29 (12.7) |
| ≥ 10 | 19 (8.3) |
| Histological grade | |
| I-II (Well-Moderate differentiation) | 36 (15.8) |
| III-IV (Poor-Dedifferentiation) | 192 (84.2) |
| ER status | |
| (+) | 151 (66.2) |
| (-) | 77 (33.8) |
| PR status | |
| (+) | 132 (57.9) |
| (-) | 96 (42.1) |
| HER2 status | |
| (+) | 127 (55.7) |
| (-) | 101 (44.3) |
| Ki-67 index (%) | |
| ≤ 14 | 98 (43.0) |
| > 14 | 130 (57.0) |
| P53 status | |
| (+) | 78 (34.2) |
| (-) | 150 (65.8) |
| Pathology type | |
| DCIS | 15 (6.6) |
| IDC | 202 (88.6) |
| ILC | 7 (3.0) |
| Other | 4 (1.8) |
| Molecular subtype | |
| Luminal A | 71 (31.1) |
| Luminal B | 80 (35.1) |
| TNBC | 28 (12.3) |
| HER2 amplified | 49 (21.5) |
| Recurrence/Metastasis | |
| No | 192 (84.2) |
| Yes | 36 (15.8) |
| Chemotherapy | |
| No | 60 (26.3) |
| Yes | 168 (73.7) |
BCS, breast-conserving surgery; DCIS, ductal carcinoma in situ; IDC, invasive ductal carcinoma including Tubular, Medullary, Mucinous, Cribriform and Papillary subtypes; ILC, invasive lobular carcinoma.