Table 2.
Univariate and multivariate survival analysis of non-pCR patients
| Factors | Disease-free survival | ||
|---|---|---|---|
| Univariate | Multivariate | ||
| P | P | HR (95% CI) | |
| Age | |||
| < 40 vs. 40–60 vs. ≥ 60 | 0.062 | – | – |
| Menopausal status | |||
| Pre vs. Post | 0.150 | – | – |
| Initial tumor status | |||
| T2 vs. T3 vs. T4 | 0.104 | – | – |
| Residual tumor size | |||
| ≤ 2 cm vs. 2-5 cm vs. > 5 cm | < 0.001 | NS | – |
| Residual involved nodes | |||
| 0 vs. 1–3 vs. ≥4 | < 0.001 | < 0.001 | 1.000 |
| 1.409 (0.604–3.289) | |||
| 4.124 (1.948–8.732) | |||
| Vascular invasion | |||
| Negative vs. Positive | 0.035 | NS | – |
| Grade | |||
| I - II vs. III | 0.322 | – | – |
| Ki-67 | |||
| < 20% vs. ≥ 20% | 0.001 | 0.018 | 1.909 (1.117–3.262) |
| sMMP-9 at baseline | |||
| Linear | 0.226 | – | |
| sMMP-9 at surgery | |||
| Linear | 0.008 | NS | – |
| sMMP-9 change | |||
| Linear | 0.019 | NS | – |
| hMMP-9 in residual tumor | |||
| - vs. + vs. ++ | < 0.001 | 0.004 | 1.000 |
| 2.637 (1.341–5.183) | |||
| 2.832 (1.348–5.950) | |||