| Variable | HR (CI 95%) | p |
| Grouped Stages | ||
| Early | Reference |
|
| Advanced | 4.53 (3.38 - 6.07) | 0.000 |
| Metastatic | 14.50 (8.92 - 23.54) | 0.000 |
| Age grouped | ||
| <46 years | Reference |
|
| 46 - 54 | 0.53 (0.38 - 0.75) | 0.000 |
| 55 - 64 | 0.70 (0.51 - 0.97) | 0.034 |
| ≥65 | 1.12 (0.83 - 1.50) | 0.463 |
| Localization | ||
| UOQ | Reference |
|
| LOQ | 1.09 (0.67 - 1.78) | 0.738 |
| UIQ | 1.07 (0.71 - 1.61) | 0.734 |
| UIQ | 0.80 (0.43 - 1.49) | 0.486 |
| Retro areolar | 1.57 (0.92 - 2.71) | 0.101 |
| Multifocal | 4.87 (2.61 - 9.08) | 0.000 |
| Multicentric | 4.17 (2.87 - 6.07) | 0.000 |