Table 1.
Patient demographics.
| TCGA (n = 1091) | METABRIC (n = 1904) | |
|---|---|---|
| Age (years) | ||
| Mean ± SD | 58.5 ± 13.2 | 61.1 ± 13.0 |
| Menopause | ||
| Post | 703 | 1493 |
| Pre | 226 | 411 |
| Indeterminate | 73 | 0 |
| Unknown | 89 | 0 |
| ER | ||
| ER+ | 805 | 1459 |
| ER− | 237 | 445 |
| Indeterminate | 2 | 0 |
| Unknown | 47 | 0 |
| PR | ||
| PR+ | 697 | 1009 |
| PR− | 342 | 895 |
| Indeterminate | 4 | 0 |
| Unknown | 48 | 0 |
| HER2 | ||
| HER2+ | 185 | 236 |
| HER2− | 767 | 1668 |
| Indeterminate | 25 | 0 |
| Unknown | 114 | 0 |
| Histology | ||
| IDC | 781 | 1500 |
| ILC | 203 | 142 |
| Others | 107 | 262 |
| Stage | ||
| Stage 0 | 0 | 4 |
| Stage I | 180 | 475 |
| Stage II | 618 | 800 |
| Stage III | 249 | 115 |
| Stage IV | 20 | 9 |
| Stage X | 24 | 501 |
IDC, infiltrating ductal carcinoma; ILC, infiltrating lobular carcinoma; METABRIC, Molecular Taxonomy of Breast Cancer International Consortium; TCGA, The Cancer Genome Atlas.