Table II.
Association between tumor stage and triple-negative diagnosis and socioeconomic status and race/ethnicity.
| Tumor stage (%) | Triple-negative status (%) | |||||
|---|---|---|---|---|---|---|
| Characteristic | Local | Higher | HR+/HER2+ | HR+/HER2- | HR-/HER2+ | HR-/HER2-(triple-negative) |
| Race/ethnicity | ||||||
| NH white | 186,400.0 (67.2) | 90,919.0 (32.8) | 27,904.0 (10.1) | 211,344.0 (76.2) | 10,924.0 (3.9) | 27,147.0 (9.8) |
| NH black | 25,105.0 (56.9) | 19,044.0 (43.1) | 5,065.0 (11.5) | 27,279.0 (61.8) | 2,603.0 (5.9) | 9,202.0 (20.8) |
| NH Asian | 22,345.0 (65.5) | 11,796.0 (34.6) | 4,229.0 (12.4) | 24,571.0 (72.0) | 2,220.0 (6.5) | 3,121.0 (9.1) |
| Hispanic white | 24,895.0 (58.6) | 17,589.0 (41.4) | 5,270.0 (12.4) | 29,459.0 (69.3) | 2,430.0 (5.7) | 5,325.0 (12.5) |
| Hispanic other | 832.0 (56.6) | 639.0 (43.4) | 195.0 (13.3) | 990.0 (67.3) | 91.0 (6.2) | 195.0 (13.3) |
| Age, years | ||||||
| <45 | 21,893.0 (51.8) | 20,358.0 (48.2) | 7,021.0 (16.6) | 25,495.0 (60.3) | 2,693.0 (6.4) | 7,042.0 (16.7) |
| 45-54 | 50,025.0 (60.6) | 32,483.0 (39.4) | 10,396.0 (12.6) | 57,284.0 (69.4) | 4,611.0 (5.6) | 10,217.0 (12.4) |
| 55-64 | 67,848.0 (65.1) | 36,407.0 (34.9) | 11,437.0 (11.0) | 75,773.0 (72.7) | 5,297.0 (5.1) | 11,748.0 (11.3) |
| 65-74 | 68,945.0 (70.9) | 28,283.0 (29.1) | 8,150.0 (8.4) | 76,547.0 (78.7) | 3,317.0 (3.4) | 9,214.0 (9.5) |
| 75-84 | 37,991.0 (70.6) | 15,817.0 (29.4) | 4,075.0 (7.6) | 43,145.0 (80.2) | 1,702.0 (3.2) | 4,886.0 (9.1) |
| ≥85 | 12,875.0 (66.0) | 6,639.0 (34.0) | 1,584.0 (8.1) | 15,399.0 (78.9) | 648.0 (3.3) | 1,883.0 (9.7) |
| Marital status | ||||||
| Married | 143,052.0 (66.3) | 72,728.0 (33.7) | 23,555.0 (10.9) | 158,792.0 (73.6) | 9,982.0 (4.6) | 23,451.0 (10.9) |
| Unmarried | 102,982.0 (63.3) | 59,728.0 (36.7) | 16,968.0 (10.4) | 119,249.0 (73.3) | 7,323.0 (4.5) | 19,170.0 (11.8) |
| Unknown | 13,543.0 (64.3) | 7,531.0 (35.7) | 2,140.0 (10.2) | 15,602.0 (74.0) | 963.0 (4.6) | 2,369.0 (11.2) |
| Health insurance | ||||||
| Uninsured | 2,994.0 (48.1) | 3,225.0 (51.9) | 864.0 (13.9) | 3,947.0 (63.5) | 408.0 (6.6) | 1,000.0 (16.1) |
| Medicaid | 24,143.0 (53.4) | 21,068.0 (46.6) | 5,713.0 (12.6) | 30,265.0 (66.9) | 2,830.0 (6.3) | 6,403.0 (14.2) |
| Insured | 227,784.0 (66.9) | 112,904.0 (33.1) | 35,333.0 (10.4) | 253,879.0 (74.5) | 14,698.0 (4.3) | 36,778.0 (10.8) |
| Unknown | 4,656.0 (62.5) | 2,790.0 (37.5) | 753.0 (10.1) | 5,552.0 (74.6) | 332.0 (4.5) | 809.0 (10.9) |
| Household income at county level, $ | ||||||
| 19,340-51,269 | 63,663.0 (63.6) | 36,442.0 (36.4) | 10,882.0 (10.9) | 71,143.0 (71.1) | 4,857.0 (4.9) | 13,223.0 (13.2) |
| 51,270-58,2549 | 63,557.0 (63.5) | 36,522.0 (36.5) | 11,073.0 (11.1) | 72,628.0 (72.6) | 4,784.0 (4.8) | 11,594.0 (11.6) |
| 58,250-70,5769 | 63,211.0 (65.2) | 33,719.0 (34.8) | 10,153.0 (10.5) | 72,292.0 (74.6) | 4,171.0 (4.3) | 10,314.0 (10.6) |
| ≥70,570 | 69,146.0 (67.5) | 33,304.0 (32.5) | 10,555.0 (10.3) | 77,580.0 (75.7) | 4,456.0 (4.4) | 9,859.0 (9.6) |
| Tumor stage | ||||||
| Local | 259,577.0 (100.0) | 0.0 (0.0) | 23,668.0 (9.1) | 199,549.0 (76.9) | 9,118.0 (3.5) | 27,242.0 (10.5) |
| Regional | 0.0 (0.0) | 116,121.0 (100.0) | 15,174.0 (13.1) | 79,475.0 (68.4) | 7,102.0 (6.1) | 14,370. (12.4) |
| Distant | 0.0 (0.0) | 21,419.0 (100.0) | 3,528.0 (16.5) | 12,908.0 (60.3) | 1,923.0 (8.9) | 3,060.0 (14.3) |
| Unknown | 0.0 (0.0) | 2,447.0 (100.0) | 293.0 (12.0) | 1,711.0 (69.9) | 125.0 (5.1) | 318.0 (13.0) |
| Tumor size, cm | ||||||
| <1.0 | 73,816.0 (90.3) | 7,932 (9.7) | 6,292.0 (7.7) | 67,114.0 (82.1) | 2,810.0 (3.44) | 5,532.0 (6.8) |
| 1.0-1.9 | 103,804.0 (77.2) | 30,639.0 (22.8) | 12,111.0 (9.0) | 106,481.0 (79.2) | 3,876.0 (2.9) | 11,975.0 (8.9) |
| 2.0-2.9 | 44,548.0 (58.4) | 31,686.0 (41.6) | 9,111.0 (11.9) | 53,409.0 (70.1) | 3,601.0 (4.7) | 10,113.0 (13.3) |
| 3.0-3.9 | 16,456.0 (45.0) | 20,139.0 (55.0) | 5,005.0 (13.7) | 23,253.0 (63.5) | 2,250.0 (6.2) | 6,087.0 (16.6) |
| ≥4.0 | 17,516.0 (30.1) | 40,703.0 (69.9) | 8,339.0 (14.3) | 35,706.0 (61.3) | 4,623.0 (7.9) | 9,551.0 (16.4) |
| Unknown | 3,437.0 (27.9) | 8,888.0 (72.1) | 1,805.0 (14.6) | 7,680.0 (62.3) | 1,108.0 (9.0) | 1,732.0 (14.1) |
| Tumor grade | ||||||
| Well differentiated | 112,650.0 (66.0) | 57,966.0 (34.0) | 17,032.0 (9.9) | 141,721.0 (83.1) | 4,105.0 (2.4) | 7,758.0 (4.6) |
| Moderately differentiated | 65,863.0 (54.0) | 56,186.0 (46.0) | 20,522.0 (16.8) | 55,038.0 (45.1) | 12,481.0 (10.2) | 34,008.0 (27.9) |
| Poorly/undifferentiated | 8,380.0 (46.3) | 9,733.0 (53.7) | 2,401.0 (13.3) | 12,006.0 (66.3) | 1,433.0 (7.9) | 2,273.0 (12.5) |
| Unknown | 72,684.0 (81.9) | 16,102.0 (18.1) | 2,708.0 (3.1) | 84,878.0 (95.6) | 249.0 (0.3) | 951.0 (1.1) |
| Total | 259,577.0 (100.0) | 139,987.0 (100.0) | 42,663.0 (100.0) | 293,643.0 (100.0) | 18,268.0 (100.0) | 44,990.0 (100.0) |
NH, non-Hispanic; HR, hormone receptor; HER2, human epidermal growth factor receptor 2.