Table 1.
AA and Non-AA patient information
| Characteristic | African American, N = 49a | Non-African American, N = 51a | p valueb |
|---|---|---|---|
| Age | 59 (47,66) | 55 (49,66) | 0.8 |
| Ethnicity | 0.3 | ||
| Hispanic or Latino | 1 (2%) | 0(0%) | |
| Non-Hispanic | 40 (82%) | 38 (75%) | |
| Unknown | 8 (16%) | 13 (25%) | |
| BMI | 31.0 (27.0, 35.3) | 26.6 (24.0, 31.9) | 0.009 |
| Unknown | 12 | 12 | |
| Stage (AJCC 8th edition) | 0.5 | ||
| IA | 17 (35%) | 18 (35%) | |
| IIA | 17 (35%) | 19 (37%) | |
| IIB | 13 (27%) | 8 (16%) | |
| IIIA | 2 (4.1%) | 4 (7.8%) | |
| IIIB | 0 (0%) | 2 (3.9%) | |
| Grade | 0.3 | ||
| 2 | 6 (12%) | 10 (20%) | |
| 3 | 43 (88%) | 41 (80%) | |
| Histology | 0.6 | ||
| AdenoSquamous | 1 (2.2%) | 0 (0%) | |
| Fibromatoid nodule | 1 (2.2%) | 0 (0%) | |
| IDC | 40 (87%) | 44 (86%) | |
| IDC-medullary | 1 (2.2%) | 0 (0%) | |
| IDC-micropapillary | 1 (2.2%) | 3 (5.9%) | |
| ILC | 0 (0%) | 1 (2.0%) | |
| IMC | 2 (4.3%) | 1 (2.0%) | |
| Metaplastic | 0 (0%) | 1 (2.0%) | |
| Squamoid | 0 (0%) | 1 (2.0%) | |
| Unknown | 3 | 0 | |
| Chemotherapy | 37 (76%) | 38 (81%) | 0.5 |
| Unknown | 0 | 7 | |
| XRT | 41 (84%) | 31 (70%) | 0.13 |
| Unknown | 0 | 7 | |
| Follow up (years) | 6.1 (2.9, 11.0) | 5.4 (1.9, 10.2) | 0.2 |
| Unknown | 1 | 0 | |
aMedian (IQR); n (%)
bWilcoxon rank sum test; Fisher’s exact test; Pearson’s Chi-squared test