Table 1 Characteristics of patients whose breast cancer was diagnosed in California from 2006 to 2007
From: Lifetime risks of specific breast cancer subtypes among women in four racial/ethnic groups
Race | Breast cancers, number (percentage) | Age in years, number (percentage) | Stage, number (percentage) | Size, number (percentage) | Luminal, number (percentage) | HER2-positive, number (percentage) | Triple-negative, number (percentage) |
|---|---|---|---|---|---|---|---|
White | 21,947 (66.1) | < 40: 786 (3.6) | Local: 14,161 (64.5) | ≤2 cm: 13,537 (61.7) | 15,713 (71.6) | 3,713 (16.9) | 2,521 (11.5) |
|  |  | 40-49: 3,442 (15.7) | Reg/Dist: 7,737 (35.2) | > 2 cm, ≤5 cm: 6,386 (29.1) |  |  |  |
| Â | Â | 50-59: 5,335 (24.3) | Unstaged: 49 (0.2) | > 5 cm: 1,475 (6.7) | Â | Â | Â |
| Â | Â | 60-69: 5,468 (24.9) | Â | Not available: 549 (2.5) | Â | Â | Â |
|  |  | ≥70: 6,916 (31.5) |  |  |  |  |  |
Black | 2,071 (6.2) | < 40: 137 (6.6) | Local: 1,128 (54.5) | ≤2 cm: 1,007 (48.6) | 1,098 (53.0) | 464 (22.4) | 509 (24.6) |
|  |  | 40-49: 474 (22.9) | Reg/Dist: 931 (45.0) | > 2 cm, ≤5 cm: 737 (35.6) |  |  |  |
| Â | Â | 50-59: 553 (26.7) | Unstaged: 12 (0.6) | > 5 cm: 250 (12.1) | Â | Â | Â |
| Â | Â | 60-69: 461 (22.3) | Â | Not available: 77 (3.7) | Â | Â | Â |
|  |  | ≥70: 446 (21.5) |  |  |  |  |  |
Hispanic | 5,523 (16.6) | < 40: 582 (10.5) | Local: 3,013 (54.6) | ≤2 cm: 2,788 (50.5) | 3,275 (59.3) | 1,328 (24.0) | 920 (16.7) |
|  |  | 40-49: 1,419 (25.7) | Reg/Dist: 2,476 (44.8) | > 2 cm, ≤5 cm: 1,993 (36.1) |  |  |  |
| Â | Â | 50-59: 1,414 (25.6) | Unstaged: 34 (0.6) | > 5 cm: 562 (10.2) | Â | Â | Â |
| Â | Â | 60-69: 1,092 (19.8) | Â | Not available: 180 (3.3) | Â | Â | Â |
|  |  | ≥70: 1,016 (18.4) |  |  |  |  |  |
Asian | 3,658 (11.0) | < 40: 298 (8.1) | Local: 2,258 (61.7) | ≤2 cm: 2,069 (56.6) | 2,296 (62.8) | 994 (27.2) | 368 (10.0) |
|  |  | 40-49: 910 (24.9) | Reg/Dist: 1,385 (37.9) | > 2 cm, ≤5 cm: 1,212 (33.1) |  |  |  |
| Â | Â | 50-59: 1,057 (28.9) | Unstaged: 15 (0.4) | > 5 cm: 301 (8.2) | Â | Â | Â |
| Â | Â | 60-69: 712 (19.5) | Â | Not available: 76 (2.1) | Â | Â | Â |
|  |  | ≥70: 681 (18.6) |  |  |  |  |  |
All racesa | 33,199 (100) | < 40: 1,803 (5.4) | Local: 20,560 (61.9) | ≤2 cm: 19,401 (58.4) | 22,382 (67.4) | 6,499 (19.6) | 4,318 (13) |
|  |  | 40-49: 6,245 (18.8) | Reg/Dist: 12,529 (37.7) | > 2 cm, ≤5 cm: 10,328 (31.1) |  |  |  |
| Â | Â | 50-59: 8,359 (25.2) | Unstaged: 110 (0.3) | > 5 cm: 2,588 (7.8) | Â | Â | Â |
| Â | Â | 60-69: 7,733 (23.3) | Â | Not available: 882 (2.7) | Â | Â | Â |
|  |  | ≥70: 9,059 (27.3) |  |  |  |  |  |
| Â | Â | Â | Â | Â | Chi-square test for subtype by race: P < 0.0001 | ||