| | | Total | White | Black | Hispanic | Asian | Chi-square value |
| | Overall | 4,279 | 3,266 | 552 | 246 | 215 | | | Age | | | | | | < 0.001 | | Median (range) | 65 (23–99) | | | | | | | 65 years | 2,032 (47.5%) | 1,431 (43.8%) | 338 (61.2%) | 147 (59.8%) | 116 (54.0%) | | | 65 years | 2,247 (52.5%) | 1,835 (56.2%) | 214 (38.8%) | 99 (40.2%) | 99 (46.0%) | | | Year of diagnosis | | | | | | = 0.012 | | 1988–1993 | 457 (10.7%) | 366 (11.2%) | 48 (8.7%) | 17 (6.9%) | 26 (12.1%) | | | 1994–1999 | 665 (15.5%) | 518 (15.9%) | 81 (14.7%) | 33 (13.4%) | 33 (15.3%) | | | 2000–2005 | 1,572 (36.7%) | 1,212 (37.1%) | 213 (38.6%) | 86 (35.0%) | 61 (28.4%) | | | 2006–2010 | 1,585 (37.0%) | 1,170 (35.8%) | 210 (38.0%) | 110 (44.7%) | 95 (44.2%) | | | Marital status | | | | | | < 0.001 | | Single | 526 (12.3%) | 339 (10.4%) | 128 (23.2%) | 42 (17.1%) | 17 (7.9%) | | | Married | 2,919 (68.2%) | 2,293 (70.2%) | 288 (52.2%) | 165 (67.1%) | 173 (80.5%) | | | Separated | 35 (0.8%) | 18 (0.6%) | 12 (2.2%) | 4 (1.6%) | 1 (0.5%) | | | Divorced | 289 (6.8%) | 213 (6.5%) | 55 (10.0%) | 15 (6.1%) | 6 (2.8%) | | | Widowed | 321 (7.5%) | 259 (7.9%) | 39 (7.1%) | 11 (4.5%) | 12 (5.6%) | | | Unknown | 189 (4.4%) | 144 (4.4%) | 30 (5.4%) | 9 (3.7%) | 6 (2.8%) | | | Histology | | | | | | = 0.003 | | In situ | 439 (10.3%) | 326 (10.0%) | 58 (10.5%) | 35 (14.2%) | 20 (9.3%) | | | Ductal | 3,552 (83.0%) | 2,736 (83.8%) | 442 (80.1%) | 194 (78.9%) | 180 (83.7%) | | | Papillary | 61 (1.4%) | 45 (1.4%) | 11 (2.0%) | 3 (1.2%) | 2 (0.9%) | | | Mucinous | 73 (1.7%) | 42 (1.3%) | 22 (4.0%) | 5 (2.0%) | 4 (1.9%) | | | Medullary | 9 (0.2%) | 6 (0.2%) | 0 (0.0%) | 1 (0.4%) | 2 (0.9%) | | | Lobular | 145 (3.4%) | 111 (3.4%) | 19 (3.4%) | 8 (3.3%) | 7 (3.3%) | | | ER/PR status | | | | | | < 0.001 | | ER−/PR− | 187 (4.4%) | 130 (4.0%) | 29 (5.3%) | 14 (5.7%) | 14 (6.5%) | | | ER+/PR− | 383 (9.0%) | 280 (8.6%) | 70 (12.7%) | 22 (8.9%) | 11 (5.1%) | | | ER+/PR+ | 2,709 (63.3%) | 2,116 (64.8%) | 309 (56.0%) | 140 (56.9%) | 144 (67.0%) | | | Unknown | 1,000 (23.4%) | 740 (22.7%) | 144 (26.1%) | 70 (28.5%) | 46 (21.4%) | | | Treatment | | | | | | < 0.001 | | None | 166 (3.9%) | 101 (3.1%) | 37 (6.7%) | 13 (5.3%) | 15 (7.0%) | | | Primary RT | 59 (1.4%) | 43 (1.3%) | 12 (2.2%) | 4 (1.6%) | 0 (0.0%) | | | Partial mast. | 511 (11.9%) | 372 (11.4%) | 68 (12.3%) | 41 (16.7%) | 30 (14.0%) | | | Nipple-sparing mast. | 22 (0.5%) | 16 (0.5%) | 5 (0.9%) | 1 (0.4%) | 0 (0.0%) | | | Simple mast. | 1,027 (24.0%) | 809 (24.8%) | 116 (21.0%) | 51 (20.7%) | 51 (23.7%) | | | Modified rad. mast. | 2,424 (56.6%) | 1,869 (57.2%) | 304 (55.1%) | 135 (54.9%) | 116 (54.0%) | | | Rad. mast. | 41 (1.0%) | 31 (0.9%) | 9 (1.6%) | 1 (0.4%) | 0 (0.0%) | | | Surgery, NOS | 29 (0.7%) | 25 (0.8%) | 1 (0.2%) | 0 (0.0%) | 3 (1.4%) | | | LNDX | | | | | | = 0.006 | | No | 696 (16.3%) | 500 (15.3%) | 116 (21.0%) | 46 (18.7%) | 34 (15.8%) | | | Yes | 3,583 (83.7%) | 2,766 (84.7%) | 436 (79.0%) | 200 (81.3%) | 181 (84.2%) | | | Adjuvant RT | | | | | | = 0.588 | | No | 3,288 (76.8%) | 2,503 (76.6%) | 419 (75.9%) | 197 (80.1%) | 169 (78.6%) | | | Yes | 932 (21.8%) | 720 (22.0%) | 121 (21.9%) | 45 (18.3%) | 46 (21.4%) | | | Nodal metastases | | | | | | = 0.659 | | No | 2,738 (64.0%) | 2,093 (64.1%) | 343 (62.1%) | 164 (66.7%) | 138 (64.2%) | | | Yes | 1,541 (36.0%) | 1,173 (35.9%) | 209 (37.9%) | 82 (33.3%) | 77 (35.8%) | | | Stage | | | | | | = 0.001 | | 0 | 439 (10.3%) | 326 (10.0%) | 58 (10.5%) | 35 (14.2%) | 20 (9.3%) | | | I | 1,314 (30.7%) | 1,023 (31.3%) | 142 (25.7%) | 75 (30.5%) | 74 (34.4%) | | | II | 1,628 (38.0%) | 1,263 (38.7%) | 199 (36.1%) | 84 (34.1%) | 82 (38.1%) | | | III | 668 (15.6%) | 496 (15.2%) | 103 (18.7%) | 39 (15.9%) | 30 (14.0%) | | | IV | 230 (5.4%) | 158 (4.8%) | 50 (9.1%) | 13 (5.3%) | 9 (4.2%) | | | Grade | | | | | | = 0.414 | | 1 | 466 (10.9%) | 350 (10.7%) | 59 (10.7%) | 32 (13.0%) | 25 (11.6%) | | | 2 | 1,859 (43.4%) | 1,448 (44.3%) | 232 (42.0%) | 85 (34.6%) | 94 (43.7%) | | | 3 | 1,374 (32.1%) | 1,042 (31.9%) | 176 (31.9%) | 83 (33.7%) | 73 (34.0%) | | | Unknown | 580 (13.6%) | 426 (13.0%) | 85 (15.4%) | 46 (18.7%) | 23 (10.7%) | |
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