Table 1 Association between intratumoral IL-37 expression and clinicopathological characteristics of 182 NSCLC patients

Age (years)

 ≤60

102

44

58

0.670

 >60

80

32

48

Gender

 Male

129

51

78

0.343

 Female

53

25

28

Histological type

 Adenocarcinoma

86

37

49

0.223

 Squamous cell carcinoma

66

23

43

 others

30

16

14

Smoking status

 Smoker

112

46

66

0.812

 Non-smoker

70

30

40

Differentiation

 Well-moderate

40

17

23

0.914

 Poor

142

59

83

Tumor status

 T1-T2

121

58

63

0.017

 T3-T4

61

18

43

TNM stage

 I-II

122

62

60

0.000

 III

60

14

46