Patient characteristic | HR status | P | ||||
---|---|---|---|---|---|---|
ER + /PR +  | ER + /PR- | ER-/PR +  | ER-/PR- | |||
N (%) | N (%) | N (%) | N (%) | |||
Total | Â | 53,299 (73.4) | 8300 (11.4) | 704 (0.9) | 10,363 (14.3) | Â |
Age at diagnosis | 20–30 | 220 (0.4) | 62 (0.7) | 8 (1.1) | 130 (1.3) |  < 0.001 |
 | 31–40 | 2014 (3.7) | 381 (4.6) | 67 (9.5) | 870 (8.4) |  |
 | 41–50 | 9410 (17.7) | 950 (11.4) | 165 (23.4) | 1940 (18.7) |  |
 | 51–60 | 13,711 (25.7) | 2331 (28.1) | 186 (26.4) | 3034 (29.3) |  |
 | 61–70 | 16,733 (31.4) | 2781 (33.5) | 169 (24.0) | 2829 (27.3) |  |
 | 71–80 | 11,211 (21.1) | 1795 (21.7) | 109 (15.6) | 1560 (15.0) |  |
Race | Black | 3540 (6.6) | 997 (12.0) | 93 (13.2) | 1553 (15.0) |  < 0.001 |
 | White | 42,977 (80.6) | 6255 (75.4) | 535 (76.0) | 7459 (72.0) |  |
 | Others | 6782 (12.8) | 1048 (12.6) | 76 (9.8) | 1351 (13.0) |  |
Histological grade | 1 | 16,293 (3.6) | 1509 (18.2) | 11 (1.6) | 159 (1.5) |  < 0.001 |
 | 2 | 27,008 (50.7) | 3424 (41.3) | 127 (18.4) | 1919 (18.5) |  |
 | 3 | 9998 (46.7) | 3367 (40.5) | 566 (80.0) | 8285 (80.0) |  |
T stage | 1 | 36,432 (68.4) | 4965 (59.8) | 304 (43.2) | 5022 (48.5) |  < 0.001 |
 | 2 | 13,641 (25.6) | 2600 (31.3) | 322 (45.7) | 4090 (39.5) |  |
 | 3 | 2536 (4.8) | 554 (6.7) | 52 (7.4) | 840 (8.1) |  |
 | 4 | 690 (1.2) | 181 (2.2) | 26 (3.7) | 411 (3.90) |  |
N stage | 0 | 40,502 (76.0) | 6083 (73.3) | 480 (68.2) | 7058 (68.1) |  < 0.001 |
 | 1 | 9385 (17.6) | 1543 (18.6) | 164 (23.2) | 2336 (22.5) |  |
 | 2 | 2319 (4.4) | 405 (4.9) | 37 (5.3) | 556 (5.4) |  |
 | 3 | 1093 (2.0) | 269 (3.2) | 23 (3.3) | 413 (4.0) |  |
HER-2 | Positive | 5311 (9.9) | 1909 (23.0) | 197 (28.0) | 2966 (28.6) |  < 0.001 |
 | Negative | 47,988 (90.1) | 6391 (77.0) | 507 (72.0) | 7397 (71.4) |  |
Stage | I | 31,842 (59.7) | 4314 (52.0) | 252 (35.8) | 4193 (40.5) |  < 0.001 |
 | II | 16,643 (31.2) | 2994 (36.1) | 358 (50.8) | 4561 (44.0) |  |
 | III | 4814 (9.1) | 992 (11.9) | 94 (13.4) | 1609 (15.5) |  |
Histological type | IDC | 42,621 (80.0) | 6697 (80.7) | 671 (95.3) | 10,035 (96.8) |  < 0.001 |
 | ILC | 6422 (12.0) | 1055 (12.7) | 13 (1.8) | 123 (1.2) |  |
 | Others | 4256 (8.0) | 548 (6.6) | 20 (2.9) | 205 (2.0) |  |