Table 1

Univariate and multivariate analysis of prognostic factors by Cox regression analysis
Clinicopathological features Univariate analysis Multivariate analysis
RR (95% CI) P-value RR (95% CI) P-value
Male (Male / female) 2.27 (0.87-3.11) 0.108 1.99 (0.67-2.63) 0.112
Age (year) (>60 / ≤60) 1.42 (0.92-1.79) 0.321 2.56 (0.89-3.12) 0.304
Smoking (Smoker / Nonsmoker) 1.65 (0.58-1.88) 0.084 2.13 (0.75-2.70) 0.156
Histological type (SCC / AD) 2.08 (0.39-2.75) 0.202 0.87 (0.46-1.68) 0.286
Clinical stage (III / I + II) 2.76 (1.23-3.82) 0.003 3.13 (0.95-4.03) 0.067
Tumor classification (T3+4 / T1+2) 0.98 (0.44-1.55) 0.215 1.53 (0.74-1.88) 0.082
Lymph node metastasis (N1+2 / N0) 3.12 (2.03-4.12) 0.016 1.65 (1.12-3.58) 0.036
miR-100 expression (Low / High) 1.74 (1.04-2.36) 0.022 2.44 (1.89-2.95) 0.008

RR: relative ratio; 95% CI: 95% confidence interval.

SCC: squamous cell carcinoma; AD: adenocarcinoma.

Liu et al.

Liu et al. BMC Cancer 2012 12:519   doi:10.1186/1471-2407-12-519

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