Table 1.
Demographic and tumor characteristics
| Variable | Population (n = 814) |
|---|---|
| Age | 54.1 ± 9.8 |
| LN positive (%) | 42.1 (343/814) |
| Histology subtype (%) | |
| IDC | 87.1 (709/814) |
| ILC | 2.9 (24/814) |
| Others | 10.0 (81/814) |
| ER positive (%) | 74.4 (606/814) |
| PR positive (%) | 54.2 (441/814) |
| HER2 positive (%) | 23.7 (193/814) |
| Molecular subtype (%) | |
| Luminal A | 28.3 (230/814) |
| Luminal Her2- | 34.9 (284/814) |
| Luminal Her2+ | 12.8 (104/814) |
| Her2+ | 8.8 (72/814) |
| TNBC | 15.2 (124/814) |
| Tumor size | 2.0 (1.4, 2.5) |
| T (%) | |
| T1 | 69.8 (568/814) |
| T2 | 30.2 (246/814) |
| N (%) | |
| N0 | 57.9 (471/814) |
| N1 | 26.4 (215/814) |
| N2 | 9.8 (80/814) |
| N3 | 5.9 (48/814) |
| Stage (%) | |
| 1 | 44.2 (360/814) |
| 2 | 40.0 (326/814) |
| 3 | 15.7 (128/814) |