Table 4.
Age-adjusted incidence rates of triple-negative breast cancer (number of breast cancer cases per 100,000 women) by age groups, race/ethnicity, and time period
| Race/Ethnicity | Age 20-44 yrs | Age 45-54 yrs | Age ≥55 yrs | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
||||||||||
| N. Population | N. Cases | Incidence rate* (95% CI) | Rate ratio (95% CI) | N. Population | N. Cases | Incidence rate* (95% CI) | Rate ratio (95% CI) | N. Population | N. Cases | Incidence rate* (95% CI) | Rate ratio (95% CI) | |
| 2010-2013 | ||||||||||||
| NH-white | 27,673,809 | 12,411 | 47.9 (47.1-48.8) | 1.00 (ref) | 13,849,991 | 28,442 | 203.6 (201.2-205.9) | 1.00 (ref) | 29,731,786 | 105,564 | 363.3 (361.1-365.6) | 1.00 (ref) |
| NH-Asians and P. Islanders | 6,822,173 | 2,875 | 44.3 (42.7-46.0) | 0.92 (0.89-0.96) | 2,550,269 | 4,667 | 182.4 (177.2-187.7) | 0.90 (0.87-0.92) | 4,295,056 | 10,348 | 242.4 (237.7-247.2) | 0.67 (0.65-0.68) |
| NH-black | 6,865,584 | 3,040 | 49.9 (48.2-51.7) | 1.04 (1.00-1.08) | 2,736,798 | 5,212 | 189.5 (184.3-194.7) | 0.93 (0.90-0.96) | 4,047,111 | 13,023 | 330.9 (325.1-336.8) | 0.91 (0.89-0.93) |
| American Indians and AN | 501,604 | 163 | 38.6 (32.9-45.0) | 0.81 (0.69-0.94) | 206,716 | 290 | 139.1 (123.5-156.1) | 0.68 (0.61-0.77) | 300,333 | 804 | 277.6 (257.9-298.4) | 0.76 (0.71-0.82) |
| Hispanics | 15,051,841 | 4,442 | 34.3 (33.3-35.3) | 0.72 (0.69-0.74) | 4,408,238 | 6,460 | 146.7 (143.1-150.3) | 0.72 (0.70-0.74) | 5,331,868 | 12,662 | 243.5 (239.1-247.9) | 0.67 (0.66-0.68) |
| Sub-Total (2010-2013) | 56,915,011 | 23,044 | 44.5 (43.9-45.1) | 23,752,012 | 45,266 | 189.3 (187.6-191.1) | 43,706,154 | 142,847 | 335.2 (333.4-336.9) | |||
| 2014-2016 | ||||||||||||
| NH-white | 20,443,406 | 9,217 | 50.1 (49.0-51.1) | 1.00 (ref) | 9,587,313 | 20,423 | 210.5 (207.6-213.4) | 1.00 (ref) | 23,694,682 | 87,075 | 373.4 (370.9-376) | 1.00 (ref) |
| NH-Asians and P. Islanders | 5,491,452 | 2,452 | 46.9 (45.0-48.8) | 0.94 (0.9-0.98) | 2,027,709 | 3,953 | 194.5 (188.5-200.7) | 0.92 (0.89-0.96) | 3,768,719 | 9,622 | 255.4 (250.3-260.7) | 0.68 (0.67-0.70) |
| NH-black | 5,333,868 | 2,387 | 52.2 (50.1-54.3) | 1.04 (1.00-1.09) | 2,025,818 | 4,084 | 199.3 (193.2-205.5) | 0.95 (0.92-0.98) | 3,459,067 | 11,697 | 347.1 (340.6-353.6) | 0.93 (0.91-0.95) |
| American Indians and AN | 384,892 | 130 | 41.3 (34.4-49.0) | 0.83 (0.69-0.98) | 145,382 | 218 | 149.1 (129.8-170.5) | 0.71 (0.62-0.81) | 259,463 | 652 | 254.9 (235-276.1) | 0.68 (0.63-0.74) |
| Hispanics | 11,764,741 | 3,811 | 37.7 (36.5-38.9) | 0.75 (0.73-0.78) | 3,596,453 | 5,541 | 154.0 (149.9-158.1) | 0.73 (0.71-0.75) | 4,747,219 | 11,829 | 254.9 (250.2-259.7) | 0.68 (0.67-0.70) |
| Sub-Total (2014-2016) | 43,418,359 | 18,108 | 46.9 (46.2-47.6) | 17,382,675 | 34,411 | 196.2 (194.1-198.3) | 35,929,150 | 121,408 | 344.6 (342.7-346.6) | |||
| 2017-2019 | ||||||||||||
| NH-white | 20,200,529 | 9,427 | 52.1 (51.0-53.2) | 1.00 (ref) | 8,766,150 | 19,695 | 222.9 (219.7-226) | 1.00 (ref) | 24,583,769 | 93,528 | 382.7 (380.3-385.2) | 1.00 (ref) |
| NH-Asians and P. Islanders | 5,732,601 | 2,742 | 50.5 (48.6-52.4) | 0.97 (0.93-1.01) | 2,144,483 | 4,556 | 212.4 (206.3-218.7) | 0.95 (0.92-0.98) | 4,219,232 | 11,573 | 274.9 (269.9-280.1) | 0.72 (0.70-0.73) |
| NH-black | 5,470,780 | 2,522 | 53.5 (51.4-55.6) | 1.03 (0.98-1.07) | 1,980,094 | 3,979 | 199.4 (193.2-205.7) | 0.89 (0.86-0.93) | 3,814,389 | 13,314 | 357.7 (351.5-364) | 0.93 (0.92-0.95) |
| American Indians and AN | 389,128 | 160 | 51.2 (43.5-59.8) | 0.98 (0.83-1.15) | 134,852 | 223 | 163.1 (142.3-186.1) | 0.73 (0.64-0.84) | 286,481 | 788 | 279.1 (259.4-299.9) | 0.73 (0.68-0.78) |
| Hispanics | 12,067,250 | 4,096 | 39.7 (38.5-40.9) | 0.76 (0.73-0.79) | 3,801,546 | 6,099 | 160.4 (156.4-164.4) | 0.72 (0.70-0.74) | 5,422,364 | 14,082 | 265.1 (260.6-269.6) | 0.69 (0.68-0.71) |
| Sub-Total (2017-2019) | 43,860,288 | 19,106 | 49.2 (48.5-49.9) | 16,827,125 | 34,815 | 205.7 (203.6-207.9) | 38,326,235 | 134,163 | 354.5 (352.6-356.4) | |||
| Total (2010-2019) | 144,193,65 | 60,258 | 46.6 (46.2-47.0) | 57,961,812 | 114,492 | 196.2 (195.0-197.3) | 117,961,539 | 398,418 | 344.5 (343.4-345.5) | |||
*
Incidence rates were age adjusted to the 2000 US population in each of the 3 age groups.