Table 1.
Characteristics of samples included in the analysis, according to availability of IHC/FISH, PAM50, RNAseq and survival data.
| Breast Cancer Subtypes | Available IHC/FISH Data N (%) [16] |
Available PAM50 Data N (%) [16] |
Available RNAseq Data N (%) [16] |
Available Survival Data N (%) [19] |
|---|---|---|---|---|
| All | 804 (100) | 789 (100) | 799 (100) | 804 (100) |
| HER2-low/HR+ | 336 (41.8) | 331 (42.0) | 335 (41.9) | 336 (41.8) |
| HER2-low/HR− | 74 (9.2) | 73 (9.2) | 73 (9.1) | 74 (9.2) |
| HER2+/HR− | 32 (4.0) | 32 (4.0) | 32 (4.0) | 32 (4.0) |
| HER2+/HR+ | 101 (12.5) | 96 (12.2) | 101 (12.6) | 101 (12.5) |
| HER2−/HR+ | 197 (24.5) | 193 (24.5) | 194 (24.3) | 197 (24.5) |
| HER2−/HR− | 64 (8.0) | 64 (8.1) | 64 (8.0) | 64 (8.0) |
Abbreviations: HR+/−: hormone receptor positive/negative.