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Table 1 Demographic and clinical profile of 122 NSCLC patients

From: Promoter methylation of RASSF1A and DAPK and mutations of K-ras, p53, and EGFR in lung tumors from smokers and never-smokers

Variable cases (%)
Age (mean ± s.d.*) 65.1 ± 10.2
Gender  
   Male 52 (42.6)
   Female 70 (57.4)
Smoking status  
   Smoking 81 (66.4)
   Never-smoking 41 (33.6)
Tumor types  
   Adenocarcinoma 72 (59.0)
   Squamous cell carcinoma 22 (18.0)
   Bronchioloalveolar carcinoma 15 (12.3)
   Adenosquamous carcinoma 9 (7.4)
   Large cell carcinoma 2 (1.6)
   Carcinoid 1 (0.8)
   Neuroendocrine 1 (0.8)
Tumor stage  
   I 54 (44.3)
   II 24 (19.7)
   III 19 (15.6)
   IV 11 (9.0)
   Unknown 14 (11.5)
  1. *: standard deviation