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Table 1 Demographics of patients with lung cancer and controls

From: Polymorphism in lncRNA AC016683.6 and its interaction with smoking exposure on the susceptibility of lung cancer

Variable

Case (%) (434)

Control (%) (593)

P value

Age, year (mean ± SD)

57.97 ± 11.85

56.67 ± 15.88

0.134

Age, (year)

 ≤ 57

190 (43.8)

264 (44.5)

0.813

 > 57

244 (56.2)

329 (55.5)

 

Gender

 Male

111 (25.6)

180 (30.4)

0.093

 Female

323 (74.4)

413 (69.6)

 

Smoking status

 Never

338 (77.9)

475 (80.1)

0.044a

 Ever

96 (22.1)

118 (19.9)

 

Clinical stage

 I, II

86 (19.8)

  

 III

198 (45.6)

  

 IV

59 (13.6)

  

 Other

91 (21.0)

  

Histology

 AD

233 (53.6)

  

 SQ

89 (20.5)

  

 SCLC

61 (14.1)

  

 Other

51 (11.8)

  
  1. AD adenocarcinoma, SQ squamous cell carcinoma, SCLC small cell lung cancer
  2. a P value was adjusted for age, gender and smoking