Table 3 Final multivariate model of breast cancer specific survival
Variable | n | Deaths due to breast cancer (n) | Hazard ratio (95% CI) | P |
|---|---|---|---|---|
BRCA1 mutation | ||||
No mutation | 397 | 52 | 1.00 | 0.01 |
BRCA1 | 37 | 14 | 2.39 (1.20–4.75) | |
Tumor size | ||||
< 2 cm | 333 | 39 | 1.00 | 0.003 |
≥ 2 cm | 101 | 27 | 2.19 (1.30–3.67) | |
Axillary node | ||||
Negative | 280 | 31 | 1.00 | 0.03 |
Positive | 154 | 35 | 1.78 (1.07–2.96) | |
Age (years) | ||||
< 50 | 146 | 34 | 1.00 | 0.02 |
≥ 50 | 288 | 32 | 0.55 (0.33–0.92) |