Table 1.
Clinicopathological characteristics of patients (n = 1380)
| Clinical features | Number (%) |
|---|---|
| Age (years) | |
| ≤ 40 | 119 (8.6) |
| > 40 | 1261 (91.4) |
| Stage | |
| I | 829 (60.1) |
| II | 418 (30.3) |
| III | 125 (9.1) |
| ND | 8 (0.6) |
| LI | |
| Negative | 752 (54.5) |
| Positive | 383 (327.8) |
| ND | 245 (17.8) |
| NPI | |
| Good (< 3.4) | 418 (30.3) |
| Moderate (3.4–5.4) | 696 (50.4) |
| Poor (> 5.4) | 255 (18.5) |
| ND | 11 (0.8) |
| PgR status | |
| Negative | 532 (38.6) |
| Positive | 774 (56.1) |
| ND | 74 (5.4) |
| Basal like status | |
| Non-basal | 1026 (74.3) |
| Basal like | 268 (19.4) |
| ND | 86 (6.2) |
| Recurrence | |
| No | 945 (68.5) |
| Yes | 426 (30.9) |
| ND | 9 (0.7) |
| Size (cm) | |
| ≤ 2 | 824 (61.0) |
| < 2 | 529 (38.3) |
| ND | 9 (0.7) |
| Grade | |
| I | 235 (17) |
| II | 468 (33.9) |
| III | 668 (48.3) |
| ND | 9 (0.7) |
| BI | |
| Negative | 705 (51.5) |
| Positive | 3 (0.2) |
| ND | 672 (48.7) |
| ER status | |
| Negative | 337 (24.4) |
| Positive | 1002 (72.6) |
| ND | 41 (3.0) |
| Her-2 status | |
| Negative | 1172 (84.9) |
| Positive | 184 (13.3) |
| ND | 24 (1.7) |
| TN status | |
| Non-TN | 1114 (80.7) |
| TN | 233 (16.2) |
| ND | 43 (3.1) |
| Distant metastasis | |
| No | 945 (68.5) |
| Yes | 426 (30.9) |
| ND | 9 (0.7) |
LI lymphatic vessel invasion, BI blood vessel invasion, NPI Nottingham Prognostic Index, ER oestrogen receptor, PgR progesterone receptor, Her-2 epidermal growth factor receptor 2, TN triple negative, ND not determined