Table 1.
Characteristics of patients in cluster 1 and cluster 2 in the TCGA dataset.
| Characteristics | N | Cluster 1 | Cluster 2 | P value |
|---|---|---|---|---|
| Total cases | 1072 | 501 | 571 | |
| Age (yr) | .31 | |||
| >50 | 780 | 357 | 423 | |
| ≤50 | 291 | 144 | 147 | |
| NA | 1 | 0 | 1 | |
| Subtype | <.001 | |||
| Luminal A | 413 | 36 | 377 | |
| Luminal B | 185 | 142 | 43 | |
| HER2+ | 66 | 56 | 10 | |
| Basal-like | 136 | 136 | 0 | |
| Normal-like | 22 | 9 | 13 | |
| NA | 250 | 122 | 128 | |
| Node status | .739 | |||
| Negative | 375 | 147 | 201 | |
| Positive | 397 | 190 | 207 | |
| NA | 300 | 137 | 163 | |
| Stage | <.001 | |||
| I | 176 | 58 | 118 | |
| II | 608 | 310 | 298 | |
| III | 246 | 127 | 129 | |
| IV | 20 | 12 | 8 | |
| NA | 22 | 4 | 18 |
HER2 = Human Epidermal Growth Factor Receptor Type 2, TCGA = The Cancer Genome Atlas.