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. 2020 Oct 19;3(10):e2020303. doi: 10.1001/jamanetworkopen.2020.20303

Table. Select Characteristics of Patients With Breast Cancer, Stratified by Race/Ethnicity.

Characteristic No. (%)
Non-Hispanic White (n = 162 359) Black (n = 26 938) Asian/Pacific Islander (n = 21 086) Hispanic White (n = 27 425) American Indian/Alaskan Native (n = 1403)
Age at diagnosis, y
<40 7094 (4.4) 2092 (7.8) 1661 (7.9) 2729 (10.0) 106 (7.6)
40-44 9446 (5.8) 2121 (7.9) 2142 (10.2) 2939 (10.7) 99 (7.1)
45-49 15 337 (9.4) 3164 (11.7) 2804 (13.3) 3894 (14.2) 160 (11.4)
50-54 19 212 (11.8) 3790 (14.1) 2898 (13.7) 3958(14.4) 200(14.3)
55-59 20 518 (12.6) 3878 (14.4) 2756 (13.1) 3589 (13.1) 196 (14.0)
60-64 23 141 (14.3) 3644 (13.5) 2813 (13.3) 3173 (11.6) 217 (15.5)
65-69 22 548 (13.9) 2986 (11.1) 2320 (11.0) 2764 (10.1) 181 (12.9)
70-74 17 055(10.5) 2128 (7.9) 1577 (7.5) 1854 (6.8) 120 (8.6)
75-79 12 246 (7.5) 1527 (5.7) 977 (4.6) 1229 (4.5) 78 (5.6)
≥80 15 762 (9.7) 1608 (6.0) 1138 (5.4) 1296 (4.7) 46 (3.3)
Diagnosis year
2010 24 562 (15.1) 3896 (14.5) 2944 (14.0) 3639 (13.3) 197 (14.0)
2011 25 948 (16.0) 4158 (15.4) 3223 (15.3) 4265 (15.6) 238 (17.0)
2012 26 819 (16.5) 4507 (16.7) 3357 (15.9) 4489 (16.4) 239 (17.0)
2013 27 519 (16.9) 4597 (17.1) 3671 (17.4) 4753 (17.3) 242 (17.2)
2014 28 298 (17.4) 4777 (17.7) 3802 (18.0) 4905 (17.9) 244 (17.4)
2015 29 213 (18.0) 5003 (18.6) 4089 (19.4) 5374 (19.6) 243 (17.3)
SEER region
Westa 74 049 (45.6) 6264 (23.3) 16952 (80.4) 22381 (81.6) 1267 (90.3)
Otherb 88 310 (54.4) 20674 (76.7) 4134 (19.6) 5044 (18.4) 136 (9.7)

Abbreviation: SEER, Surveillance, Epidemiology, and End Results program.

a

West region includes registries from Hawaii, New Mexico (and Arizona American Indians), Puget Sound/Seattle, Utah, Alaskan Natives, and California.

b

Other region includes registries from Detroit, Michigan; Iowa; Connecticut; New Jersey; Atlanta and Rural Georgia; Kentucky; and Louisiana.