Table 5 Multivariate analysis for predictors of recurrence based on the Cox proportional hazards regression model after exclusion of patients >50 years old.
From: Young age: an independent risk factor for disease-free survival in women with operable breast cancer
Variables | HR | 95% Confidence interval | p |
|---|---|---|---|
Age <35 years | 1.8 | 1.17–2.81 | 0.008 |
Tumor size ≥ 2 cm | 1.7 | 1.06–2.84 | 0.028 |
Lymph node-positive | 4.2 | 2.64–6.82 | <0.001 |
Nuclear grade 3 | 1.0 | 0.60–1.91 | 0.810 |
Histological grade 3 | 1.0 | 0.58–1.89 | 0.883 |
ER | 1.1 | 0.71–1.78 | 0.625 |
PR | 2.0 | 1.27–3.37 | 0.004 |
c-erbB2 | 1.4 | 0.97–2.21 | 0.069 |