Table 1.

Number of population, number of triple-negative breast cancer cases and non-triple negative breast cancer, and incidence rates of breast cancer in all SEER areas, 2010-2019, by race/ethnicity

Race/Ethnicity	Number of population	Number of breast cancer cases	Unadjusted Incidence rates (N of cases per 100,000) (95% CI)	Age-adjusted* incidence rates (N of cases per 100,000) (95% CI)	Rate ratio (between age-adjusted incidence rates) (95% CI)
Triple-negative breast cancer
Non-Hispanic white	178,531,435	36,695	20.6 (20.3-20.8)	17.5 (17.4-17.7)	1.00 (reference)
Non-Hispanic Asians and Pacific Islanders	37,051,694	4,727	12.8 (12.4-13.1)	12.4 (12.0-12.7)	0.71* (0.68-0.73)
Non-Hispanic black	2,608,851	12,102	33.9 (33.3-34.5)	33.8 (33.2-34.4)	1.93* (1.88-1.97)
American Indians and Alaska Natives	2,608,851	371	14.2 (12.8-15.7)	14.7 (13.2-16.3)	0.84* (0.75-0.93)
Hispanics	66,191,520	8,494	12.8 (12.6-13.1)	14.7 (14.4-15.1)	0.84* (0.82-0.86)
Sub-Total	320,117,009	62,623	19.6 (19.4-19.7)	18.3 (18.1-18.4)	1.04* (1.03-1.06)
Non-Triple-negative breast cancer
Non-Hispanic white	178,531,435	349,087	195.5 (194.9-196.2)	159.4 (158.9-160.0)	1.00 (reference)
Non-Hispanic Asians and Pacific Islanders	37,051,694	48,061	129.7 (128.6-130.9)	125.8 (124.7-127.0)	0.79* (0.78-0.80)
Non-Hispanic black	2,608,851	47,156	132.0 (130.8-133.2)	133.0 (131.7-134.2)	0.83* (0.83-0.84)
American Indians and Alaska Natives	2,608,851	3,057	117.2 (113.1-121.4)	116.7 (112.5-121.0)	0.73* (0.71-0.76)
Hispanics	66,191,520	60,528	91.4 (90.7-92.2)	109.4 (108.5-110.3)	0.69* (0.68-0.69)
Sub-Total	320,117,009	510,545	159.5 (159-159.9)	145.8 (145.4-146.2)	0.91* (0.91-0.92)

^*Incidence rates were adjusted to the 2000 US population by age.

Breast cancer cases with unknown or missing information on race/ethnicity were included in the total or sub-total incidence calculation.