Table 5. The difference in pathobiological behaviors between triple-negative and non-triple-negative breast cancers.
| Clinicopathological features | n | Triple-negative breast cancers | p | |
|---|---|---|---|---|
| + | - | |||
| Age (years) | ||||
| 260 | 50.1 ± 10.1 (n = 92) | 54.1 ± 10.6 (n = 168) | 0.004 | |
| Tumor size (cm) | ||||
| 176 | 3.39 ± 2.08 (n = 15) | 2.44 ± 1.05 (n = 161) | 0.003 | |
| Lymph node metastasis | ||||
| + | 132 | 53 (58.2) | 79 (50.6) | 0.248 |
| – | 115 | 38 (41.8) | 77 (49.4) | |
| TNM staging | ||||
| I–II | 118 | 67 (73.6) | 51 (87.9) | 0.036 |
| III–IV | 31 | 24 (26.4) | 7 (12.1) | |
TNM, tumor node metastasis.