Table 2 Characteristics of patients with triple negative breast cancer by race, New Castle County, DE
From: Racial disparities in triple negative breast cancer: toward a causal architecture approach
|  | Black (N = 179) | White (N = 274) | Total (N = 453) | p-values |
|---|---|---|---|---|
Age at diagnosis, mean (SD)** | 56.9 (13.1) | 62.4 (15.2) | 60.2 (14.6) |  < 0.001 |
Insurance, n (%)** |  |  < 0.001 | ||
 Private†| 114 (63.7) | 137 (50.0) | 251 (55.4) | 0.020 |
 Medicare††| 43 (24.0) | 119 (43.4) | 162 (35.8) |  < 0.001 |
 Medicaid/None | 20 (11.2) | 17 (6.2) | 37 (8.2) | 0.313 |
 Unknown | 2 (1.1) | 1 (0.4) | 3 (0.7) | 1.000 |
Stage of diagnosisa, n (%) | 0.857 | |||
 Early stage | 153 (85.5) | 228 (83.2) | 381 (84.1) | – |
 Late stage | 24 (13.4) | 43 (15.7) | 67 (14.8) | – |
 Unknown stage | 2 (1.1) | 3 (1.1) | 5 (1.1) | – |
Census tract ICE-Race, n (%)** |  < 0.001 | |||
 Q1††(most disadvantaged) | 78 (43.6) | 26 (9.5) | 104 (23.0) |  < 0.001 |
 Q2 | 46 (25.7) | 56 (20.4) | 102 (22.5) | 1.000 |
 Q3 | 37 (20.7) | 66 (24.1) | 103 (22.7) | 1.000 |
 Q4††| 15 (8.4) | 80 (29.2) | 95 (21.0) |  < 0.001 |
 Q5††(most advantaged) | 3 (1.7) | 46 (16.8) | 49 (10.8) |  < 0.001 |
Census tract ICE-Income, n (%)** |  < 0.001 | |||
 Q1††(most disadvantaged) | 56 (31.3) | 24 (8.8) | 80 (17.7) |  < 0.001 |
 Q2 | 43 (24.0) | 53 (19.3) | 96 (21.2) | 1.000 |
 Q3 | 23 (12.8) | 41 (15.0) | 64 (14.1) | 1.000 |
 Q4 | 38 (21.2) | 76 (27.7) | 114 (25.2) | 1.000 |
 Q5††(most advantaged) | 19 (10.6) | 80 (29.2) | 99 (21.9) |  < 0.001 |
Census tract ICE-Race/Income, n (%)** |  < 0.001 | |||
 Q1††(most disadvantaged) | 65 (36.3) | 17 (6.2) | 82 (18.1) |  < 0.001 |
 Q2 | 54 (30.2) | 58 (21.2) | 112 (24.7) | 0.300 |
 Q3†| 19 (10.6) | 58 (21.2) | 77 (17.0) | 0.035 |
 Q4 | 33 (18.4) | 61 (22.3) | 94 (20.8) | 1.000 |
 Q5††(most advantaged) | 8 (4.5) | 80 (29.2) | 88 (19.4) |  < 0.001 |