Table 1 Clinical features of BRCA patients (n = 1096) from TCGA database
Variables | N | % |
|---|---|---|
Total | 1096 | 100.0% |
Age, years | ||
 <60 | 582 | 53.1% |
 ≥60 | 514 | 46.9% |
Stage | ||
 Stage i | 183 | 16.7% |
 Stage ii | 621 | 56.7% |
 Stage iii | 248 | 22.6% |
 Stage iv | 20 | 1.8% |
T classification | ||
 T1 | 281 | 25.6% |
 T2 | 635 | 57.9% |
 T3 | 138 | 12.6% |
 T4 | 39 | 3.6% |
ER status | ||
 Negative | 796 | 72.6% |
 Positive | 233 | 21.3% |
PR status | ||
 Negative | 688 | 62.8% |
 Positive | 338 | 30.8% |