Table 2 Correlation between RIPK2 protein expression level and clinical characteristics of CRC.

Age

61.725 ± 10.276

63.670 ± 10.056

0.305

Gender

0.798

 Male

23

67

 Female

17

45

T stage

0.663

 T1 & T2

3

11

 T3 & T4

37

101

N stage

0.021*

 N0

24

40

 N1

10

53

 N2

6

19

TNM stage

0.027*

 I

3

6

 II

21

34

 III

16

72

Recurrence

0.004*

 NO

33

64

 YES

7

48

Vascular invasion

0.131

 NO

39

98

 YES

1

14

Perineural invasion

0.095

 NO

33

77

 YES

7

35

Histological differentiation

0.536

 Well differentiated

2

10

 Moderately differentiated

25

74

 Poorly differentiated

13

28

 Tumor diameter/cm

5.225 ± 2.408

4.473 ± 1.837

0.078

Tumor site

0.858

 Right-side

16

49

 Left-side

15

42

 Rectum

9

21