Colon

29

17

12

Rectum

22

13

9

N stage

0.098

N0

18

12

6

N1-N2

33

14

19

Histological grade

0.761

Well+ Moderately

21

11

10

Poorly

30

17

13

Liver metastasis

0.017

No

28

3

25

Yes

23

9

14