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Table 1 Patient characteristics and outcome for stage I & II colon cancer patients

From: Isolated tumor cells in stage I & II colon cancer patients are associated with significantly worse disease-free and overall survival

Patient characteristics

Total N = 74

ITC N = 23

No ITC N = 51

p

Age

(Years)

70.6 ± 11.4

69.3 ± 10.2

71.2 ± 11.9

0.494 A)

Gender

Male

39 (52.7 %)

13 (56.5 %)

26 (51.0 %)

0.659 B)

 

Female

35 (47.3 %)

10 (43.5 %)

25 (49.0 %)

 

Tumor localisation

Colon caecum

12 (16.2 %)

1 (4.3 %)

11 (21.6 %)

0.084 B)

 

Ascending colon

16 (21.6 %)

5 (21.7 %)

11 (21.6 %)

 
 

Transverse colon

13 (17.6 %)

4 (17.4 %)

9 (17.6 %)

 
 

Descending colon

7 (9.5 %)

5 (21.7 %)

2 (3.9 %)

 
 

Rectosigmoid colon

26 (35.1 %)

8 (34.8 %)

18 (35.3 %)

 

T-stage

I

7 (9.5 %)

0 (0.0 %)

7 (13.7 %)

0.264 B)

 

II

21 (28.4 %)

7 (30.4 %)

14 (27.5 %)

 
 

III

42 (56.8 %)

14 (60.9 %)

28 (54.9 %)

 
 

IV

4 (5.4 %)

2 (8.7 %)

2 (3.9 %)

 

Grading

I

1 (1.4 %)

0 (0.0 %)

1 (2.0 %)

0.792 B)

 

II

47 (63.5 %)

15 (65.2 %)

32 (62.7 %)

 
 

III

26 (35.1 %)

8 (34.8 %)

18 (35.3 %)

 

Lymphovascular

No

63 (85.1 %)

17 (73.9 %)

46 (90.2 %)

0.091 C)

invasion

Yes

11 (14.9 %)

6 (26.1 %)

5 ( 9.8 %)

 

Preoperative CEA

<5 μg/l

59 (79.7 %)

16 (69.6 %)

43 (84.3 %)

0.167 C)

levels

≥5 μg/l

15 (20.3 %)

7 (30.4 %)

8 (15.7 %)

 

TotalLNn

(n)

28.6 ± 11.7

27.7 ± 11.5

29.0 ± 11.9

0.668 A)

SLNn

(n)

5.8 ± 3.4

6.0 ± 3.5

5.6 ± 3.4

0.685 A)

NSLNn

(n)

22.9 ± 11.6

21.7 ± 10.6

23.4 ± 12.1

0.565 A)

Adjuvant therapy

No

65 (87.8 %)

17 (73.9 %)

48 (94.1 %)

0.025 C)

 

Yes

9 (12.2 %)

6 (26.1 %)

3 (5.9 %)

 

Recurrence

No

71 ( 95.9 %)

21 (91.3 %)

50 ( 98.0 %)

0.254 C)

 

Yes

3 (4.1 %)

2 (8.7 %)

1 (2.0 %)

 
 

Yes: liver

1 (1.4 %)

0 (0.0 %)

1 (2.0 %)

 
 

Yes: lung

2 (2.7 %)

2 (8.7 %)

0 (0.0 %)

 

Death

No

58 (78.4 %)

16 (69.6 %)

42 (82.4 %)

0.239 C)

 

Yes

16 (21.6 %)

7 (30.4 %)

9 (17.6 %)

 
  1. n (%); mean ± standard deviation
  2. A) t-Test, B) Chi-squared test, C) Mid-p test