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Table 1 Characteristics of lung cancer case and control subjects

From: MUTYH Gln324His gene polymorphism and genetic susceptibility for lung cancer in a Japanese population

  

Patients

Controls

 

Item

n

%

n

%

P-value

Number

 

108

 

121

  

Gender

      
 

males

71

65.7

74

61.2

0.491a

 

females

37

34.3

47

38.8

 

Age

      
 

~64

40

37.0

50

41.3

 
 

65~69

17

15.7

29

24.0

 
 

70~74

30

27.8

20

16.5

 
 

75~

19

17.6

22

18.2

 
 

unknown

2

1.9

0

0.0

 
 

Mean ± S.D.

65.5 ± 9.4

 

67.4 ± 6.7

 

0.078b

Smoking status (Pack-years)

      
 

Never (Pack-years = 0)

32

29.6

55

45.5

 
 

Ever (Pack-years > 0)

74

68.5

60

49.6

 
 

unknown

2

1.9

6

5.0

 
 

Mean ± S.D.

33.8 ± 31.7

 

25.6 ± 35.1

 

0.069b

Histological type

      
 

adenocarcinoma

67

62.0

   
 

squamous cell carcinoma

31

28.7

   
 

others

10

9.3

   
  1. a: χ2 analysis
  2. b: Student's T-test