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Table 2 Univariate Cox proportional hazards analysis of RFS in never-smokers with adenocarcinoma ( N= 128)

From: RARβ2 hypermethylation is associated with poor recurrence-free survival in never-smokers with adenocarcinoma of the lung

Variable HR (95% CI) P value
Age (years) 0.98 (0.95 to 1.04) 0.58
Size (cm) 1.25 (1.12 to 1.40) <0.0001
Sex 0.64 (0.40 to 0.97) 0.05
Differentiation 1.32 (0.97 to 1.75) 0.06
Pathologic stage 1.72 (1.41 to 2.08) <0.0001
RARβ2 1.71 (1.16 to 2.57) 0.008
EGFR 0.82 (0.54 to 1.24) 0.35
c-MET 0.77 (0.46 to 1.25) 0.28
β-catenin 1.09 (0.72 to 1.65) 0.72
E-cadherin 1.14 (0.73 to 1.78) 0.54
Cyclin D1 1.10 (0.74 to 1.63) 0.63
  1. HR, hazard ratio; CI, confidence interval.