Table 2

Univariate analyses of different prognostic factors in BC patients
Disease-free survival Overall survival
Variables HR (95% CI) P-value HR (95% CI) P-value
Age (years) 1.341 (0.607-1.711) 0.316 1.503 (0.733-2.012) 0.618
Tumor size (cm) 2.278 (1.566-2.791) 0.008* 1.808 (1.127-2.443) 0.016*
Differentiation grade 2.334 (1.789-2.882) 0.022* 2.055 (1.726-3.404) 0.001*
Histological type 0.802 (0.477-1.682) 0.358 1.022 (0.799-1.501) 0.207
ER status 1.563 (0.815-1.921) 0.188 0.865 (0.699-1.118) 0.295
PR status 0.855 (0.429-1.277) 0.098 1.510 (0.719-2.121) 0.411
HER-2 status 1.777 (0.892-1.954) 0.301 1.221 (0.669-1.443) 0.189
Lymph node metastasis 3.122 (1.778-3.828) 0.017* 2.011 (1.548-2.817) 0.038*
Clinical stage 1.718 (1.150-2.203) 0.008* 1.823 (1.199-2.458) 0.014*
MiR-497 expression 2.340 (1.782-2.695) 0.005* 1.504 (1.285-1.914) 0.036*

*Pā€‰<ā€‰0.05. Abbreviations: HR hazard ratio, 95% CI, 95% confidence interval, ER estrogen receptor, PR progesterone receptor, HER-2 c-erbB-2.

Wang et al.

Wang et al. Diagnostic Pathology 2013 8:172   doi:10.1186/1746-1596-8-172

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