Variables

Total

Initial Management Techniques

Test

Surgery First

Chemotherapy First

X²/t

p

N = 40 (%)

N = 20 (%)

N = 20 (%)

Age (years):

Mean ± SD

Range

56.78 ± 12.14

29 - 80

56.3 ± 12.18

30 - 75

57.25 ± 12.41

29 - 80

−0.244^¥

0.808

Gender:

Male

Female

28 (70)

12 (30)

14 (50)

6 (50)

14 (50)

6 (50)

0^∞

1

Size of the tumor (cm):

<5 cm

≥5 - 10 cm

13 (32.5)

27 (67.5)

5 (38.5)

15 (55.6)

8 (61.5)

12 (44.4)

1.026^∞

0.311

Histopathological type:

Conventtosional adenocarcinoma

Mucoid carcinoma

28 (70)

12 (30)

15 (53.6)

5 (41.7)

13 (46.4)

7 (58.3)

0.476^∞

0.49

Initial site:

Ascending colon

Rectosigmoid

Descending colon

Transverse colon

9 (22.5)

9 (22.5)

15 (37.5)

7 (17.5)

4 (44.4)

3 (33.3)

9 (60)

4 (57.1)

5 (55.6)

6 (66.7)

6 (66.7)

3 (42.9)

1.854^∞

0.603

Grade:

I

II

III

6 (15)

15 (37.5)

19 (47.5)

3 (50)

9 (60)

8 (42.1)

3 (50)

6 (40)

11 (57.9)

1.047^∞

0.585

T stage:

T2

T3

T4a

T4b

4 (10)

9 (22.5)

13 (32.5)

14 (35)

2 (50)

4 (44.4)

7 (53.8)

7 (50)

2 (50)

5 (55.6)

6 (46.2)

7 (50)

0.181^∞

0.979

N stage:

N1

N2

N3

7 (17.5)

11 (27.5)

22 (55)

5 (71.4)

8 (72.7)

7 (31.8)

2 (28.6)

3 (27.3)

15 (68.2)

6.468^∞

0.039*

M stage:

M1a

M1b

16 (40)

24 (60)

11 (68.8)

9 (37.5)

5 (31.2)

15 (62.5)

3.75^∞

0.043

TNM stage:

Iva

Ivb

16 (40)

24 (60)

11 (68.8)

9 (37.5)

5 (31.2)

15 (62.5)

3.75^∞

0.049

Site of distant metastasis:

Liver

Liver + peritoneum

Liver + lung

16 (40)

9 (22.5)

15 (37.5)

11 (68.8)

5 (55.6)

4 (26.7)

5 (31.2)

4 (44.4)

11 (73.3)

5.628^∞

0.06

CA 19-9:

Positive

Negative

Non applicable

17 (42.5)

12 (30)

11 (27.5)

6 (35.3)

9 (75)

5 (45.5)

11 (64.7)

3 (25)

6 (54.5)

4.561^∞

0.102

CEA:

Positive

Negative

Non applicable

15 (37.5)

12 (30)

13 (32.5)

5 (33.3)

9 (75)

6 (46.2)

10 (66.7)

3 (25)

7 (53.8)

4.744^∞

0.093