Table 1 Clinical and histopathological features of 1,127 patients presenting breast carcinoma and included in the survival analyses
| Â | Distant metastasis-free survival | Breast cancer-specific survival |
|---|---|---|
Patients (n) | 724 | 403 |
Tumor size | Â | Â |
   Number (%) of T1 (≤ 20 mm) | 292 (43%) | 271 (69%) |
   Mean (standard deviation) size (mm) | 25.3 (13) | 22.2 (10.4) |
Histological grading: Elston Ellis | Â | Â |
   Grade I | 104 (15.4%) | 88 (23%) |
   Grade II | 253 (37.5%) | 176 (45%) |
   Grade III | 195 (28.9%) | 111 (28%) |
   Not available | 121 (17.9%) | 13 (3%) |
Genomic grade index | Â | Â |
   High grade | 331 (49%) | 179 (46%) |
Estrogen receptor status: immunohistochemistry | Â | Â |
   Positive | 488 (72.5%) | 197 (51%) |
   Not available | 6 (0.8%) | 160 (40%) |
Estrogen receptor status: gene expression | Â | Â |
   Positive | 496 (74%) | 297 (76%) |
Her2 status: gene expression | Â | Â |
   Positive | 86 (13%) | 50 (13%) |
Lymph node metastasis | Â | Â |
   Positive | 197 (28%) | 76 (20%) |
   Not available | 8 (1%) | 165 (41%) |
Distant metastasis or death from breast cancer | Â | Â |
   Positive | 177 (26%) | 83 (21%) |
   Within 5 years | 131 (19%) | 59 (15%) |
Mean (standard deviation) follow-up (months) | 85.6 (53.4) | 89.6 (39.8) |
Datasets used (Ref) |