Table 1. Baseline characteristics of the patients.
| Variable | Number | (%) |
|---|---|---|
| Age | ||
| ≤47 | 119 | 53.36 |
| >47 | 104 | 46.64 |
| Menopause | ||
| No | 144 | 64.57 |
| Yes | 79 | 35.43 |
| Tumor stage | ||
| I | 36 | 16.14 |
| II | 145 | 65.02 |
| III | 42 | 18.84 |
| Histological grade | ||
| G1 | 10 | 4.48 |
| G2 | 150 | 67.26 |
| G3 | 63 | 28.26 |
| Tumor size | ||
| T1&T2 | 193 | 86.55 |
| T3&T4 | 30 | 13.45 |
| Lymph node involvement | ||
| 0 | 102 | 45.74 |
| 1~3 | 67 | 30.04 |
| ≥4 | 54 | 24.22 |
| ER | ||
| negative | 66 | 29.60 |
| positive | 157 | 70.40 |
| PR | ||
| negative | 83 | 37.22 |
| positive | 140 | 62.78 |
| HER2 | ||
| negative | 188 | 84.30 |
| positive | 35 | 15.70 |
| Ki-67 | ||
| ≤20% | 92 | 41.26 |
| >20% | 131 | 58.74 |
| Molecular Type | ||
| Luminal A | 63 | 28.25 |
| Luminal B | 94 | 42.15 |
| HER2+ | 28 | 12.56 |
| Basal-like | 38 | 17.04 |
| Metastasis | ||
| Yes | 26 | 11.66 |
| No | 197 | 88.34 |
| Death | ||
| Yes | 18 | 8.07 |
| No | 205 | 91.93 |