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Table 2 Evaluation of patient survival using univariate analysis (log-rank test)

From: Prognostic potential of ERCC1 protein expression and clinicopathologic factors in stage III/N2 non-small cell lung cancer

Characteristics n 5-Year survival (%) p-Value
Age    
 ≤65 years 69 27.2 0.981
 >65 years 46 34.4
Gender    
 Female 34 33.9 0.690
 Male 81 28.0
Histology type    
 Adenocarcinoma 78 30.5 0.894
 Others 37 28.1
T factor    
 T1、T2 83 37.7 0.003*
 T3、T4 32 15.4
Operative procedure    
 Pneumonectomy 25 16.0 0.001*
 Lobectomy 90 33.6
Number of involved lymph nodes (N1+ N2)    
 ≤5 59 40.2 <0.001*
 >5 56 20.0
Skip metastasis    
 Yes 34 32.8 0.432
 No 81 28.5
ERCC1 protein expression    
 negative 44 46.0 0.004*
 positive 71 20.3