Table 1 Demographic and clinical data by group
Variable | Level | TNBC (n = 130) | MBC (n = 44) | Total | p value |
|---|---|---|---|---|---|
Age at initial diagnosis | Mean (SD) | 54.6 (12.8) | 55.4 (13.9) | 54.8 (13.0) [n = 174] | 0.7495 |
Race | White | 108 (83.1%) | 40 (90.9%) | 148 (85.1%) | 0.2451 |
Black | 14 (10.8%) | 4 (9.1%) | 18 (10.3%) | — | |
Other | 8 (6.2%) | 0 (0.0%) | 8 (4.6%) | — | |
Hispanic ethnicity | Yes | 3 (2.3%) | 0 (0.0%) | 3 (1.8%) | 1.0000 |
Positive nodes | Yes | 60 (46.2%) | 13 (29.5%) | 73 (42.0%) | 0.0765 |
Stage | I | 16 (12.3%) | 6 (13.6%) | 22 (12.6%) | 0.9812 |
II | 96 (73.8%) | 32 (72.7%) | 128 (73.6%) | — | |
III | 15 (11.5%) | 5 (11.4%) | 20 (11.5%) | — | |
IV | 3 (2.3%) | 1 (2.3%) | 4 (2.3%) | — | |
ER status | Positive | 0 (0.0%) | 4 (9.1%) | 4 (2.3%) | 0.0037 |
Negative | 130 (100.0%) | 40 (90.9%) | 170 (97.7%) | — | |
PR status | Positive | 0 (0.0%) | 4 (9.1%) | 4 (2.3%) | 0.0037 |
Negative | 130 (100.0%) | 40 (90.9%) | 170 (97.7%) | — | |
HER2 status | Positive | 0 (0.0%) | 1 (2.3%) | 1 (0.6%) | 0.0146 |
Negative | 130 (100.0%) | 43 (97.7%) | 170 (98.3%) | — |