Table 2 Genotyping information about SNP rs1128503 mapping on exon 12

Controls

100

33

45

22

0.44

ref. ^c

Cases

96

37

38

21

0.42

0.57

Cases

Grade 1

5

2

1

2

0.5

0.76

Grade 2

64

24

27

13

0.41

0.58

Grade 3

20

8

7

5

0.43

0.82

Cases

Colon

51

19

21

11

0.42

0.70

Sigmoid colon

21

14

5

2

0.21

0.0056

Rectum

24

4

12

8

0.58

0.085

Controls

Male

49

14

24

11

0.47

ref.

Cases

Male

52

25

21

6

0.32

0.027

Controls

Female

51

19

21

11

0.42

ref.

Cases

Female

44

12

17

15

0.53

0.12