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Table 1 Clinicopathological factors of patients in the study

From: A molecular and staging model predicts survival in patients with resected non-small cell lung cancer

Variables No. Percent
Age (years)
  < 60 63 41.4
  ≥ 60 89 58.6
Gender
 Male 83 54.6
 Female 69 45.4-
Smoking status
 Never-smoker 64 42.1
 Ever-smoker 88 57.9
TNM stage
 I 53 34.9
 II 51 33.6
 III 48 31,5
Grade
 Well-differentiated 32 21.1
 Moderately-differentiated 66 43.4
 Poorly-differentiated 54 35.5
Histology
 Squamous cell carcinoma 39 25.7
 Adenocarcinoma 113 74.3
 Postoperative adjuvant therapy   
 Yes 84 55.3
 No 68 44.7