Multivariate analysis with cox proportional hazards model for OS and LRFFS of T3-T4 N1 patients
Variable | OS | LRFFS | ||||
|---|---|---|---|---|---|---|
| HR | 95% CI | P | HR | 95% CI | P | |
| Histological grade | 1.845 | 0.957-3.556 | 0.067 | 0.337 | 0.063-1.795 | 0.202 |
| ER/PR | 0.307 | 0.154-0.610 | 0.001 | 0.098 | 0.025-0.389 | 0.001 |
| PMRT | 1.251 | 0.597-2.622 | 0.552 | 0.089 | 0.210-0.378 | 0.001 |
| ECE | 0.979 | 0.533-1.801 | 0.947 | 2.702 | 0.633-11.529 | 0.179 |
OS, overall survival; LRFFS, locoregional failure-free survival; HR, hazard ratio; CI, confidence interval; PMRT, postmastectomy radiotherapy; ECE, extracapsular extension.