Table 2.
Annual percentage change (APC) in age-adjusted incidence rates (number of breast cancer cases per 100,000 population) in women in 2010-2019 by triple-negative breast cancer status, race/ethnicity and age groups
| Race/Ethnicity | Triple-negative breast cancer | Non-Triple-negative breast cancer | Total breast cancer (triple-negative and non-triple-negative breast cancer) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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| N. Cases | Incidence rate (95% CI) | APC (95% CI) from 2010 to 2019 | P value | N. Cases | Incidence rate (95% CI) | APC (95% CI) from 2010 to 2019 | P value | N. Cases | Incidence rate (95% CI) | APC (95% CI) from 2010 to 2019 | P value | |
| All breast cancer cases aged 20 or older | ||||||||||||
| Non-Hispanic white | 36,695 | 17.5 (17.4-17.7) | -0.7 (-1.5-0.1) | 0.1 | 349,087 | 159.4 (158.9-160.0) | 1.2 (1.0-1.5) | <0.001 | 385,782 | 176.9 (176.4-177.5) | 1.1 (0.8-1.3) | <0.001 |
| Non-Hispanic Asians and Pacific Islanders | 4,727 | 12.4 (12.0-12.7) | 0.6 (-0.6-1.9) | 0.3 | 48,061 | 125.8 (124.7-127.0) | 2.3 (1.8-2.8) | <0.001 | 52,788 | 138.2 (137.0-139.4) | 2.1 (1.6-2.6) | <0.001 |
| Non-Hispanic black | 12,102 | 33.8 (33.2-34.4) | 0.3 (-0.5-1.1) | 0.4 | 47,156 | 133.0 (131.7-134.2) | 1.4 (0.8-1.9) | <0.001 | 59,258 | 166.7 (165.4-168.1) | 1.2 (0.8-1.5) | <0.001 |
| American Indians and Alaska Natives | 371 | 14.7 (13.2-16.3) | -0.7 (-4-2.7) | 0.7 | 3,057 | 116.7 (112.5-121.0) | 1.7 (-0.1-3.5) | 0.1 | 3,428 | 131.4 (126.9-136.0) | 1.4 (-0.3-3.1) | 0.1 |
| Hispanics | 8,494 | 14.7 (14.4-15.1) | 1.0 (-0.2-2.2) | 0.1 | 60,528 | 109.4 (108.5-110.3) | 1.7 (0.9-2.5) | <0.001 | 69,022 | 124.2 (123.2-125.1) | 1.7 (1.0-2.3) | <0.001 |
| Total | 62,623 | 18.3 (18.1-18.4) | -0.2 (-1-0.6) | 0.5 | 510,545 | 145.8 (145.4-146.2) | 1.3 (1.0-1.6) | <0.001 | 573,168 | 164.1 (163.7-164.5) | 1.1 (0.8-1.4) | <0.001 |
| Breast cancer cases aged 20-44 years | ||||||||||||
| Non-Hispanic white | 4,590 | 7.3 (7.1-7.5) | -0.7 (-3.0-1.7) | 0.2 | 26,465 | 42.5 (42.0-43.0) | 1.7 (0.7-2.7) | <0.001 | 31,055 | 49.8 (49.2-50.3) | 1.3 (0.2-2.5) | <0.001 |
| Non-Hispanic Asians and Pacific Islanders | 855 | 4.9 (4.6-5.2) | -1.3 (-7.5-5.3) | 0.3 | 7,214 | 42.1 (41.2-43.1) | 2.4 (0.2-4.7) | <0.001 | 8,069 | 47.0 (46.0-48.1) | 2.0 (-0.2-4.3) | <0.001 |
| Non-Hispanic black | 1,904 | 12.3 (11.8-12.9) | -0.7 (-6.0-4.9) | 0.5 | 6,045 | 39.3 (38.3-40.3) | 1.5 (-0.3-3.4) | <0.001 | 7,949 | 51.7 (50.5-52.8) | 1.0 (-0.6-2.6) | <0.001 |
| American Indians and Alaska Natives | 80 | 7.4 (5.9-9.3) | 1.7 (-14.4-20.8) | 0.6 | 373 | 35.7 (32.1-39.5) | 4.5 (-4.1-13.8) | <0.001 | 453 | 43.1 (39.2-47.3) | 4.1 (-3.5-12.3) | <0.001 |
| Hispanics | 2,239 | 6.6 (6.3-6.9) | 1.1 (-1.9-4.1) | 0.1 | 10,110 | 30.4 (29.8-31.0) | 2.9 (0.1-5.8) | <0.001 | 12,349 | 37.0 (36.3-37.7) | 2.6 (0.3-4.9) | <0.001 |
| Sub-Total | 9,710 | 7.4 (7.3-7.6) | -0.4 (-2.1-1.4) | 0.3 | 50,548 | 39.2 (38.8-39.5) | 2.0 (1.1-2.9) | <0.001 | 60,258 | 46.6 (46.2-47.0) | 1.6 (0.7-2.6) | <0.001 |
| Breast cancer cases aged 45-54 years | ||||||||||||
| Non-Hispanic white | 7,060 | 21.7 (21.2-22.2) | -0.7 (-2.4-1.1) | 0.1 | 61,500 | 189.2 (187.7-190.7) | 1.7 (0.7-2.7) | <0.001 | 68,560 | 210.9 (209.3-212.5) | 1.4 (0.5-2.4) | <0.001 |
| Non-Hispanic Asians and Pacific Islanders | 1,033 | 15.3 (14.4-16.3) | -0.4 (-8.0-7.7) | 0.8 | 12,143 | 180.4 (177.2-183.6) | 2.7 (1.4-4.0) | <0.001 | 13,176 | 195.7 (192.4-199.1) | 2.5 (0.8-4.1) | <0.001 |
| Non-Hispanic black | 3,100 | 45.5 (43.9-47.1) | -0.2 (-4.0-3.8) | 0.8 | 10,175 | 149.8 (146.9-152.8) | 1.2 (-1.6-4.1) | 0.1 | 13,275 | 195.4 (192-198.7) | 0.9 (-1.4-3.2) | 0.1 |
| American Indians and Alaska Natives | 89 | 18.1 (14.5-22.3) | -6.0 (-16.7-6.0) | <0.001 | 642 | 130.6 (120.6-141.2) | 2.7 (-6.8-13.2) | 0.2 | 731 | 148.7 (138-159.9) | 1.5 (-6.4-10.1) | 0.4 |
| Hispanics | 2,338 | 19.8 (19.0-20.6) | -0.5 (-5.7-5.0) | 0.7 | 15,762 | 133.5 (131.4-135.6) | 1.8 (-0.6-4.2) | <0.001 | 18,100 | 153.3 (151.1-155.6) | 1.5 (-0.6-3.6) | <0.001 |
| Sub-Total | 13,688 | 23.4 (23.0-23.8) | -0.6 (-3.1-2.0) | 0.3 | 100,804 | 172.7 (171.7-173.8) | 1.6 (0.6-2.6) | <0.001 | 114,492 | 196.2 (195-197.3) | 1.3 (0.4-2.3) | <0.001 |
| Breast cancer cases aged 55 years or older | ||||||||||||
| Non-Hispanic white | 25,045 | 32.4 (32.0-32.9) | -0.7 (-2.8-1.6) | 0.2 | 261,122 | 340.2 (338.9-341.5) | 1.0 (0.4-1.6) | <0.001 | 286,167 | 372.6 (371.3-374) | 0.9 (0.3-1.4) | <0.001 |
| Non-Hispanic Asians and Pacific Islanders | 2,839 | 23.3 (22.4-24.1) | 1.7 (-1.7-5.2) | <0.001 | 28,704 | 234.3 (231.6-237.1) | 2.0 (0.5-3.5) | <0.001 | 31,543 | 257.6 (254.7-260.5) | 2.0 (0.7-3.3) | <0.001 |
| Non-Hispanic black | 7,098 | 62.9 (61.4-64.5) | 0.8 (-0.1-1.8) | <0.001 | 30,936 | 282.1 (278.9-285.4) | 1.4 (0.1-2.7) | <0.001 | 38,034 | 345.1 (341.5-348.7) | 1.3 (0.3-2.3) | <0.001 |
| American Indians and Alaska Natives | 202 | 25.0 (21.6-28.9) | 0.6 (-8.8-10.9) | 0.8 | 2,042 | 246.2 (235.2-257.5) | 0.6 (-5.3-6.7) | 0.7 | 2,244 | 271.2 (259.7-283.1) | 0.6 (-5.2-6.7) | 0.6 |
| Hispanics | 3,917 | 25.5 (24.7-26.3) | 1.7 (-2.2-5.8) | 0.1 | 34,656 | 229.1 (226.6-231.6) | 1.5 (-0.1-3.1) | <0.001 | 38,573 | 254.6 (252-257.2) | 1.5 (0.2-2.8) | <0.001 |
| Sub-Total | 39,225 | 33.6 (33.3-34.0) | 0.0 (-1.7-1.8) | 0.9 | 359,193 | 310.8 (309.8-311.9) | 1.0 (0.4-1.6) | <0.001 | 398,418 | 344.5 (343.4-345.5) | 0.9 (0.4-1.5) | <0.001 |