Variable

Site of tumor

P-value

Right colon (n = 80)

Left colon (n = 80)

N

%

N

%

Age (years), Mean ± SD

49.06 ± 14.38

44.74 ± 14.83

0.037

<45 years

27

33.75

40

50.00

≥45 years

53

66.25

40

50.00

Gender

Male

43

53.75

37

46.25

0.343

Female

37

46.25

43

53.75

Risk factors

None

41

51.25

35

43.75

0.568

Family history

14

17.50

20

25.00

Smoking

10

12.50

7

8.75

Obesity

7

8.75

6

7.50

Pre-cancerous lesions

8

10.00

12

15.00

Presenting symptoms

Abdominal pain

41

51.25

21

26.25

0.001

Bleeding manifestations

7

8.75

23

28.75

Altered bowel habits

16

20.00

15

18.75

Intestinal obstruction

16

20.00

18

22.50

Intestinal perforation

0

0.00

1

1.25

Symptoms of metastases

0

0.00

2

2.50

Sites of metastases

None

31

38.75

25

31.25

0.320

Liver

22

27.50

30

37.50

0.177

Lung

3

3.75

9

11.25

0.072

Bone

8

10.00

5

6.25

0.385

Brain

3

3.75

1

1.25

0.620

Ascites

12

15.00

11

13.75

0.822

Abdominal LNs

10

12.50

13

16.25

0.499

Peritoneal deposits

29

36.25

31

38.75

0.744

Number of metastatic sites

0

31

38.75

25

31.25

0.556

1

20

25.00

21

26.25

2

22

27.50

22

27.50

3

6

7.50

11

13.75

4

0

0.00

1

1.25

5

1

1.25

0

0.00

Pathology

Adenocarcinoma

52

65.00

61

76.25

0.135

Mucoid adenocarcinoma

23

28.75

14

17.50

Signet ring carcinoma

3

3.75

5

6.25

Neuroendocrine carcinoma

2

2.50

0

0.00