Table 6.
Cox proportional hazard ratios without pCR variable for overall survival, distant disease-free survival, and local recurrence-free survival (three unique models)
| Outcome | Characteristic | HR | 95% CI | P | |
|---|---|---|---|---|---|
| OS | PR | Negative | 1 | - | - |
| Positive | 0.62 | 0.39-0.99 | 0.05 | ||
| Ki67 | Low | 1 | - | - | |
| High | 7.07 | 2.82-17.75 | < 0.0001 | ||
| DDFS | cT | 1 | 1 | - | - |
| 2-4 | 2.69 | 0.98-7.37 | 0.05 | ||
| PR | Negative | 1 | - | - | |
| Positive | 0.64 | 0.41-0.99 | 0.05 | ||
| Ki67 | Low | 1 | - | - | |
| High | 2.72 | 1.49-5.00 | < 0.01 | ||
| LRFS | PR | Negative | 1 | - | - |
| Positive | 0.49 | 0.24-1.02 | 0.06 | ||
| Ki67 | Low | 1 | - | - | |
| High | 1.76 | 0.74-4.21 | 0.21 | ||
CI, confidence intervals; cT, clinical tumor stage (TNM classification); DDFS, distant disease-free survival; HR, hazard ratio; LRFS, local recurrence-free survival; OS, overall survival; PR, progesterone receptor.