Table 3. Multivariate Analysis of Factors Associated With OS.
| Crude HR | CI | P | Adjusted HR | CI | P | |
|---|---|---|---|---|---|---|
| Menopausal status | ||||||
| Premenopausal | 1 | 1 | ||||
| Perimenopausal | 2.05 | 1.02 - 4.12 | 0.045* | 1.56 | 0.60 - 4.06 | 0.359 |
| Postmenopausal | 1.15 | 0.80 - 1.66 | 0.45 | 0.93 | 0.62 - 1.41 | 0.743 |
| HR status | ||||||
| Negative | 1 | 1 | ||||
| Positive | 0.57 | 0.40 - 0.80 | 0.001* | 0.55 | 0.003* | |
| Performance status | ||||||
| 0 | 1 | 1 | ||||
| 1 | 1.68 | 1.12 - 2.53 | 0.012* | 1.79 | 0.016* | |
| CNS metastasis | ||||||
| No | 1 | 1 | ||||
| Yes | 1.97 | 1.10 - 3.54 | 0.024* | 1.00 | 0.999 | |
| Lung metastasis | ||||||
| No | 1 | 1 | ||||
| Yes | 1.56 | 1.13 - 2.15 | 0.006* | 1.73 | 0.004* | |
| Cutaneous-subcutaneous metastasis | ||||||
| No | 1 | 1 | ||||
| Yes | 1.58 | 1.05 - 2.40 | 0.030* | 2.13 | 0.004* | |
| Origin | ||||||
| Private | 1 | 1 | ||||
| Public | 1.63 | 1.12 - 2.38 | 0.011* | 2.08 | 0.001* |
*P < 0.05. OS: overall survival; CNS: central nervous system; HR: hazard ratio; CI: confidence interval.