Table 1.
Clinicopathologic characteristics of MBC and TNBC cases.
| Variables | TNBC (n=508) | MBC (n=46) | P-value | |
|---|---|---|---|---|
| Age (years) | Median (range) | 57(25,91) | 54.5(42,90) | 0.51 |
| Race | African American | 95(94.1)* | 6(5.9) | 0.637 |
| Others | 12(92.3) | 1(7.7) | ||
| Caucasian | 401(91.1) | 39(8.9) | ||
| Tumor Size(cm) | Median(range) | 1.7(0.2,13) | 3.1(0.5,14) | <0.001 |
| T-stage | 1 | 317(95.8) | 14(4.2) | <0.001 |
| 2 | 160(88.9) | 20(11.1) | ||
| 3 | 28(73.7) | 10(26.3) | ||
| 4 | 3(60.0) | 2(40.0) | ||
| No. positive nodes | Median (range) | 0(0,32) | 0(0,14) | 0.486 |
| N-stage | Negative | 340(91.4) | 32(8.6) | 0.622 |
| Positive | 168(92.8) | 13(7.2) | ||
| Stage | I | 242(95.3) | 12(4.7) | 0.014 |
| II | 201(88.2) | 27(11.8) | ||
| III | 65(90.3) | 7(9.7) | ||
| Nottingham Grade | 1 | 5(100.0) | 0(0.0) | 0.064 |
| 2 | 47(100.0) | 0(0.0) | ||
| 3 | 456(90.8) | 46(9.2) | ||
| Surgery | Lumpectomy | 351(95.4) | 17(4.6) | <0.001 |
| Mastectomy | 157(84.4) | 29(15.6) | ||
| Neoadjuvant | No | 439(92.4) | 36(7.6) | 0.128 |
| Yes | 69(87.3) | 10(12.7) | ||
| Radiation Therapy | No | 100(84.0) | 19(16.0) | 0.002 |
| Yes | 403(93.7) | 27(6.3) | ||
| Chemotherapy | No | 119(96.8) | 4(3.2) | 0.024 |
| Yes | 386(90.4) | 41(9.6) |
*
N(%);
MBC Metaplastic breast cancer, TNBC Triple negative breast cancer