Table 2.
Descriptive statistics for prognostic biomarkers and molecular subtypes.
| Dependent variable | Count | Percentage (%) |
|---|---|---|
| Lymph node | ||
| Negative | 414 | 57 |
| Positive | 309 | 43 |
| Tumor grade | ||
| Low | 459 | 63 |
| High | 264 | 37 |
| Tumor size | ||
| ≤20 | 360 | 50 |
| >20 | 363 | 50 |
| ER | ||
| Negative | 237 | 33 |
| Positive | 486 | 67 |
| PR | ||
| Negative | 270 | 37 |
| Positive | 453 | 63 |
| HER2 | ||
| Negative | 570 | 79 |
| Positive | 153 | 21 |
| Ki67 | ||
| Negative | 339 | 47 |
| Positive | 384 | 53 |
| Molecular subtype | ||
| Luminal A | 294 | 41 |
| Luminal B | 207 | 29 |
| HER2 overexpression | 126 | 17 |
| Triple negative | 96 | 13 |
ER estrogen receptor, PR progesterone receptor, HER2 human epidermal growth factor receptor 2.