Skip to main content

Table 1 Characteristics of Black and White breast cancer patients by cancer subtype, New Castle County, DE

From: Racial disparities in triple negative breast cancer: toward a causal architecture approach

  TNBC
(N = 453)
Non-TNBC
(N = 2863)
Total
(N = 3316)
p-values
Age at diagnosis, mean (SD)** 60.2 (14.6) 63.0 (13.2) 62.6 (13.4)  < 0.001
Race, n (%)**  < 0.001
 White 274 (60.5) 2266 (79.1) 2540 (76.6)
 Black/African American 179 (39.5) 597 (20.9) 776 (23.4)
Insurance, n (%)*   0.015
 Private 251 (55.4) 1470 (51.3) 1721 (51.9) 0.468
 Medicare 162 (35.8) 1207 (42.2) 1369 (41.3) 0.041
 Medicaid/none 37 (8.2) 156 (5.4) 193 (5.8) 0.120
 Unknown 3 (0.7) 30 (1.0) 33 (1.0) 1.000
Stage of diagnosisa, n (%)**  < 0.001
 Early stage†† 381 (84.1) 2637 (92.1) 3018 (91.0)  < 0.001
 Late stage†† 67 (14.8) 205 (7.2) 272 (8.2)  < 0.001
 Unknown stage 5 (1.1) 21 (0.7) 26 (0.8) 1.000
Census tract ICE-Race, n (%)**  < 0.001
 Q1†† (most disadvantaged) 104 (23.0) 367 (12.8) 471 (14.2)  < 0.001
 Q2 102 (22.5) 585 (20.4) 687 (20.7) 1.000
 Q3 103 (22.7) 694 (24.2) 797 (24.0) 1.000
 Q4 95 (21.0) 621 (21.7) 716 (21.6) 1.000
 Q5†† (most advantaged) 49 (10.8) 596 (20.8) 645 (19.5)  < 0.001
Census tract ICE-Income, n (%)**  < 0.001
 Q1†† (most disadvantaged) 80 (17.7) 359 (12.5) 439 (13.2) 0.028
 Q2 96 (21.2) 487 (17.0) 583 (17.6) 0.298
 Q3 64 (14.1) 475 (16.6) 539 (16.3) 1.000
 Q4 114 (25.2) 699 (24.4) 813 (24.5) 1.000
 Q5†† (most advantaged) 99 (21.9) 843 (29.4) 942 (28.4) 0.009
Census tract ICE-Race/Income, n (%)**  < 0.001
 Q1†† (most disadvantaged) 82 (18.1) 329 (11.5) 411 (12.4) 0.001
 Q2 112 (24.7) 547 (19.1) 659 (19.9) 0.054
 Q3 77 (17.0) 562 (19.6) 639 (19.3) 1.000
 Q4 94 (20.8) 693 (24.2) 787 (23.7) 1.000
 Q5†† (most advantaged) 88 (19.4) 732 (25.6) 820 (24.7) 0.049
  1. aEarly stage includes stages 1-3a and late stage includes stages 3b-4
  2. *Significant at p < 0.05
  3. **Significant at p < 0.001
  4. Post-hoc test significant at p < 0.05
  5. ††Significant at p < 0.001