| Ultralow (N=834) |
Low (N=2201) |
High 1 (N=2175) |
High 2 (N=568) |
Overall (N=5778) |
P-value | |
|---|---|---|---|---|---|---|
| Age (Years) | ||||||
| Mean (SD) | 62 (± 11) | 61 (± 11) | 60 (± 13) | 57 (± 13) | 60 (± 12) | <0.001 |
| Menopausal Status | ||||||
| Post | 658 (78.9%) | 1682 (76.4%) | 1575 (72.4%) | 386 (68.0%) | 4301 (74.4%) | <0.001 |
| Pre/Peri | 140 (16.8%) | 418 (19.0%) | 478 (22.0%) | 145 (25.5%) | 1181 (20.4%) | |
| Unknown | 36 (4.3%) | 101 (4.6%) | 122 (5.6%) | 37 (6.5%) | 296 (5.1%) | |
| Tumor Stage | ||||||
| multifocal/bilateral | 1 (0.1%) | 7 (0.3%) | 4 (0.2%) | 4 (0.7%) | 16 (0.3%) | <0.001 |
| T1 | 527 (63.2%) | 1322 (60.1%) | 1071 (49.2%) | 207 (36.4%) | 3127 (54.1%) | |
| T2 | 106 (12.7%) | 354 (16.1%) | 553 (25.4%) | 210 (37.0%) | 1223 (21.2%) | |
| T3 | 5 (0.6%) | 33 (1.5%) | 60 (2.8%) | 22 (3.9%) | 120 (2.1%) | |
| T4 | 2 (0.2%) | 8 (0.4%) | 20 (0.9%) | 11 (1.9%) | 41 (0.7%) | |
| Unknown/Missing | 193 (23.1%) | 477 (21.7%) | 467 (21.5%) | 114 (20.1%) | 1251 (21.7%) | |
| LN Stage | ||||||
| multifocal/bilateral | 2 (0.2%) | 2 (0.1%) | 3 (0.1%) | 2 (0.4%) | 9 (0.2%) | <0.001 |
| N0 | 536 (64.3%) | 1419 (64.5%) | 1272 (58.5%) | 319 (56.2%) | 3546 (61.4%) | |
| N1 | 68 (8.2%) | 230 (10.4%) | 341 (15.7%) | 111 (19.5%) | 750 (13.0%) | |
| N2 | 2 (0.2%) | 11 (0.5%) | 20 (0.9%) | 9 (1.6%) | 42 (0.7%) | |
| N3 | 1 (0.1%) | 4 (0.2%) | 7 (0.3%) | 6 (1.1%) | 18 (0.3%) | |
| Unknown/Missing | 225 (27.0%) | 535 (24.3%) | 532 (24.5%) | 121 (21.3%) | 1413 (24.5%) | |
| Grade | ||||||
| G1 | 472 (56.6%) | 900 (40.9%) | 330 (15.2%) | 12 (2.1%) | 1714 (29.7%) | <0.001 |
| G2 | 309 (37.1%) | 1100 (50.0%) | 1279 (58.8%) | 163 (28.7%) | 2851 (49.3%) | |
| G3 | 9 (1.1%) | 105 (4.8%) | 455 (20.9%) | 370 (65.1%) | 939 (16.3%) | |
| multifocal/bilateral | 14 (1.7%) | 28 (1.3%) | 25 (1.1%) | 10 (1.8%) | 77 (1.3%) | |
| Unknown | 30 (3.6%) | 68 (3.1%) | 86 (4.0%) | 13 (2.3%) | 197 (3.4%) | |
| BP Subtype | ||||||
| Basal | 0 (0%) | 0 (0%) | 21 (1.0%) | 234 (42.4%) | 255 (4.6%) | <0.001 |
| HER2 | 0 (0%) | 0 (0%) | 1 (0.0%) | 4 (0.7%) | 5 (0.1%) | |
| Luminal A | 809 (100%) | 2117 (100%) | 0 (0%) | 0 (0%) | 2926 (52.7%) | |
| Luminal B | 0 (0%) | 0 (0%) | 2053 (98.9%) | 314 (56.9%) | 2367 (42.6%) |