Table 2 Patient characteristics

 Male/female

32/25

5/5

20/18

10/10

18/11

0.909^a

Age‡

65.0 (79-40)

55.5 (73-41)

67.0 (79-40)

60.0 (78-40)

63.0 (80-42)

0.309^b

 Colon cancer/rectal cancer†

35/22

9/1

27/11

15/5

17/12

0.372^a

 I / II / III

0/3/54

0/0/10

0/11/27

0/2/18

4/11/14

<0.001^a

 0/1

57/0

10/0

35/3

18/2

29/0

0.0680^a