Table 1 Patient demographics and cancer characteristics (n = 54)

Mean age (years)

63.72 ± 10.63

62.81 ± 11.29

64.63 ± 10.05

0.536

Gender

0.163

 Male

33

19 (70.37 %)

14 (51.85 %)

 Female

21

8 (29.63 %)

13 (48.15 %)

Mean tumor diameter (cm)

4.31 ± 1.57

4.31 ± 1.67

4.31 ± 1.48

0.986

Tumor differentiation

0.738

 Well

13

6 (22.22 %)

7 (25.93 %)

 Moderately

33

16 (59.26 %)

17 (62.96 %)

 Poorly

8

5 (18.52 %)

3 (11.11 %)

Tumor location

0.726

 Transverse colon

8

4 (14.81 %)

4 (14.81 %)

 Right hemicolon

14

9 (33.33 %)

5 (18.52 %)

 Left hemicolon

11

5 (18.52 %)

6 (22.22 %)

 Sigmoid colon

11

4 (14.81 %)

7 (25.93 %)

 Rectum

10

5 (18.52 %)

5 (18.52 %)

T stage

0.775

 T1

3

1 (3.70 %)

2 (7.41 %)

 T2

19

9 (33.33 %)

10 (37.04 %)

 T3

32

17 (62.96 %)

15 (55.56 %)

N stage

0.588

 N0

37

17 (62.96 %)

20 (74.07 %)

 N1

11

7 (25.93 %)

4 (14.81 %)

 N2

6

3 (11.11 %)

3 (11.11 %)

Dukes stage

0.661

 A

16

7 (25.93 %)

9 (33.33 %)

 B

21

10 (37.04 %)

11 (40.74 %)

 C

17

10 (37.04 %)

7 (25.93 %)

Clinical stage

0.475

 I

17

8 (29.63 %)

9 (33.33 %)

 II

21

9 (33.33 %)

12 (44.44 %)

 III

16

10 (37.04 %)

6 (22.22 %)