Table 1 Breast cancer member characteristics by stage, diagnosed 2016–2020 (N = 9,888)

n (%)^{a, b}

5,060 (51.2%)

3,373 (34.1%)

805 (8.1%)

650 (6.6%)

Age, mean (SD), years^b

59.7 (11.5)

57.4 (12.4)

56.4 (12.8)

57.5 (12.9)

Female Gender, n (%)^b

5,045 (99.7%)

3,348 (99.3%)

800 (99.4%)

644 (99.1%)

Insurance Type, n (%)^{a, b}

 Commercial

2,865 (56.6%)

1,908 (56.6%)

462 (57.4%)

355 (54.6%)

 Medicaid

200 (4.0%)

197 (5.8%)

48 (6.0%)

52 (8.0%)

 Medicare Advantage

1,597 (31.6%)

954 (28.3%)

208 (25.8%)

180 (27.7%)

 Multiple^c

12 (0.2%)

5 (0.2%)

1 (0.1%)

2 (0.3%)

 Unknown

386 (7.6%)

309 (9.2%)

86 (10.7%)

61 (9.4%)

Geographic Region, n (%)^{a, b}

 Midwest

2,248 (44.4%)

1,527 (45.3%)

343 (42.6%)

254 (39.1%)

 Northeast

1,876 (37.1%)

1,161 (34.4%)

255 (31.7%)

206 (31.7%)

 South

382 (7.6%)

321 (9.5%)

96 (11.9%)

112 (17.2%)

 West

440 (8.7%)

271 (8.0%)

77 (9.6%)

56 (8.6%)

 Unknown

114 (2.3%)

93 (2.8%)

34 (4.2%)

22 (3.4%)

CCI, mean (SD)^d

0.6 (1.1)

0.7 (1.2)

0.6 (1.2)

0.9 (1.4)

CCI, n (%)^{a, d}

 0

1,639 (67.2%)

1,125 (66.1%)

254 (67.2%)

205 (58.2%)

 1

438 (18.0%)

303 (17.8%)

71 (18.8%)

70 (19.9%)

 2

199 (8.2%)

153 (9.0%)

26 (6.9%)

30 (8.5%)

  ≥ 3

164 (6.7%)

122 (7.2%)

27 (7.1%)

47 (13.4%)