Ki-67 labeling index

Test

significance

Low Ki-67 score

High Ki-67 score

No.

%

No.

%

Age

<50

6

54.5

25

40.3

0.77

P = 0.29

≥50

5

45.5

37

59.7

Sex

Male

3

27.3

38

61.3

4.39

P = 0.039*

Female

8

72.7

24

38.7

Histological type

Intestinal

10

90.9

45

72.6

1.744

P = 0.418

Diffuse

1

9.1

15

24.2

Mixed

0

0.0

2

3.2

Histological grade

Moderately differentiated

10

90.9

32

51.6

5.90

P = 0.014*

Poorly differentiated

1

9.1

30

48.4

Pathologic tumor stage

T1,2

2

18.2

12

19.4

0.01

P = 0.92

T3,4

9

81.8

50

80.6

Lymph node metastasis

Present

8

27.3

44

71.0

0.014

P = 0.609

Absent

3

72.7

18

29.0

Pathologic Nodal stage

N0

N1

N2

N3

3

3

2

3

27.3

27.3

18.1

27.3

18

10

17

17

29.03

16.13

27.42

27.42

0.968

P = 0.809

Number of nodes with metastasis

Range

Median

0 - 5

1.8

0 - 27

5.0

3.28§

P = 0.04*

Lymphovascular invasion

Present

7

63.6

45

72.6

0.365

P = 0.391

Absent

4

36.4

17

27.4