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Table 3 Multivariate analysis for predictors of recurrence based on the Cox proportional hazards regression model

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 1.7 1.14–2.61 0.010
Tumor size ≥ 2 cm 2.0 1.30–3.07 0.002
Lymph node-positive 3.8 2.64–5.67 <0.001
Nuclear grade 3 1.4 0.90–2.39 0.124
Histological grade 3 0.9 0.54–1.49 0.675
ER 1.1 0.77–1.63 0.549
PR 2.1 1.41–3.19 0.001
c-erbB2 1.4 1.04–2.05 0.030