Table 1.
Comparison of tumor characteristics between TNBC and non-TNBC patients
| TNBC (n = 43) N (%) |
Non-TNBC (n = 53) N (%) |
χ2 | P-value | Total | ||
|---|---|---|---|---|---|---|
| Menopausal status | Pre | 19 (44%) | 25 (47%) | 0.0851 | p = 0.770 | 44 |
| Post | 24 (56%) | 28 (53%) | 52 | |||
| Total | 43 | 53 | 96 | |||
| Tumor size | ≤5 cm | 23 (53%) | 41(77%) | 6.0869 | p = 0.013 | 64 |
| >5 cm | 20 (47%) | 12 (23%) | 32 | |||
| Total | 43 | 53 | 96 | |||
| Grade | 1 + 2 | 33 (77%) | 47 (89%) | 1.8674 | p = 0.171 | 80 |
| 3 | 8 (19%) | 5 (9%) | 13 | |||
| Total | 41 | 52 | 93 | |||
| Stage | II | 10 (23%) | 29 (55%) | 6.1913 | p = 0.012 | 39 |
| III + IV | 24 (56%) | 22 (42%) | 46 | |||
| Total | 34 | 51 | 85 | |||
| Lymph-node | Present | 33 (77%) | 30 (57%) | 4.2687 | p = 0.038 | 63 |
| Absent | 10 (23%) | 23 (43%) | 33 | |||
| Total | 43 | 53 | 96 | |||
| Clinical response | CR | 10 (23%) | 41 (77%) | 30.4317 | p < 0.00001 | 51 |
| SD | 2 (5%) | 3 (7%) | 5 | |||
| PD | 31 (72%) | 9 (17%) | 40 | |||
| Total | 43 | 53 | 96 | |||
| Relapse | Yes | 27 (53%) | 9 (23%) | 25.8285 | p < 0.000001 | 36 |
| No | 10 (23%) | 40%77%) | 50 | |||
| Total | 37 | 49 | 86 | |||
Abbreviations: TNBC triple negative breast cancer, CR complete response, SD stable disease, PD progressive disease