Table 1.
The Clinical Characteristics of Patients with Breast Cancer in the TCGA Database
| Characteristics | Levels | Overall |
|---|---|---|
| n | 1083 | |
| Age, n (%) | ≤60 | 601 (55.5%) |
| >60 | 482 (44.5%) | |
| T stage, n (%) | T1 | 277 (25.6%) |
| T2 | 629 (58.2%) | |
| T3 | 139 (12.9%) | |
| T4 | 35 (3.2%) | |
| N stage, n (%) | N0 | 514 (48.3%) |
| N1 | 358 (33.6%) | |
| N2 | 116 (10.9%) | |
| N3 | 76 (7.1%) | |
| M stage, n (%) | M0 | 902 (97.8%) |
| M1 | 20 (2.2%) | |
| PR status, n (%) | Negative | 342 (33.1%) |
| Indeterminate | 4 (0.4%) | |
| Positive | 688 (66.5%) | |
| ER status, n (%) | Negative | 240 (23.2%) |
| Indeterminate | 2 (0.2%) | |
| Positive | 793 (76.6%) | |
| HER2 status, n (%) | Negative | 558 (76.8%) |
| Indeterminate | 12 (1.7%) | |
| Positive | 157 (21.6%) | |
| Age, median (IQR) | 58 (48.5, 67) |