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Table 1 Distributions of select characteristics in cases and control subjects

From: XAB2 tagSNPs contribute to non-small cell lung cancer susceptibility in Chinese population

Variables

Cases (n = 470)

Controls (n = 470)

P valuea

No

(%)

No

(%)

Gender

    

0.832

 Male

324

68.9

328

69.8

 

 Female

146

31.1

142

30.2

 

Age

    

0.470

 <50

84

17.9

96

20.4

 

 50–59

177

37.7

187

39.8

 

 60–69

129

27.4

111

23.6

 

 ≥70

80

17.0

76

16.2

 

Smoking status

    

0.321

 Non-smoker

265

56.4

281

59.8

 

 Ever-smoker

205

43.6

189

40.2

 

Pack-year smoked

    

0.001

 <25

75

36.6

96

50.8

 

 ≥25

130

63.4

93

49.2

 
  1. atwo-side χ2 test