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Table 3 Univariate and multivariate analysis of prognostic factors for disease-free survival

From: Preoperative thrombocytosis is a significant unfavorable prognostic factor for patients with resectable non-small cell lung cancer

Variable Category Univariate Multivariate
   HR (95% CI) P value HR (95% CI) P value
Age (years) >65/≤64 1.62 (1.04 to 2.52) 0.034 1.57 (1.01 to 2.46) 0.046
Gender Female/Male 1.20 (0.72 to 2.00) 0.494 - -
Smoking Yes/No 1.14 (0.71 to 1.81) 0.592 -  
Histology Others/ADC 0.84 (0.76 to 1.85) 0.443 - -
Stage II + III/I 2.76 (1.72 to 4.41) <0.001 2.73 (1.70 to 4.37) <0.001
pT 2 to 4/1 2.05 (1.05 to 3.98) 0.035 - -
pN 1 to 3/0 1.82 (1.17 to 2.81) 0.007 - -
Leukocytosis Yes/No 1.17 (0.51 to 2.70) 0.706 - -
Anemia Yes/No 1.66 (1.04 to 2.64) 0.034 - -
Thrombocytosis Yes/No 2.61 (1.33 to 5.24) 0.007 2.47 (1.22-5.01) 0.012
  1. ADC, adenocarcinoma; CI, confidence interval; HR, hazard ratio.