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Table 1 Clinicopathologic variables and the expression of nuclear and cytoplasmic expression of expression of Ox-PTP and γH2AX in gastric carcinoma patients

From: Expression of oxidized protein tyrosine phosphatase and γH2AX predicts poor survival of gastric carcinoma patients

Characteristics

 

No.

Ox-PTP, nucleus

Ox-PTP, cytoplasm

ɣH2AX

 
 

Positive

P

Positive

P

Positive

P

Age (years)

<  60 y

52

34 (65%)

0.621

27 (52%)

0.555

18 (35%)

<  0.001

≥ 60 y

117

81 (69%)

 

55 (47%)

 

79 (68%)

 

Sex

Female

41

28 (68%)

0.969

16 (39%)

0.162

23 (56%)

0.847

Male

128

87 (68%)

 

66 (52%)

 

74 (58%)

 

CEAa

Normal

110

74 (67%)

0.463

50 (45%)

0.215

60 (55%)

0.022

Elevated

31

23 (74%)

 

18 (58%)

 

24 (77%)

 

CA19–9a

Normal

124

85 (69%)

0.599

62 (50%)

0.346

72 (58%)

0.193

Elevated

16

12 (75%)

 

6 (38%)

 

12 (75%)

 

T category

1

36

17 (47%)

0.012

16 (44%)

0.555

17 (47%)

0.550

2

17

10 (59%)

 

7 (41%)

 

10 (59%)

 

3

20

15 (75%)

 

13 (65%)

 

11 (55%)

 

4a

73

53 (73%)

 

34 (47%)

 

43 (59%)

 

4b

23

20 (87%)

 

12 (52%)

 

16 (70%)

 

N category

0

60

29 (48%)

<  0.001

26 (43%)

0.074

28 (47%)

0.043

1

22

16 (73%)

 

8 (36%)

 

11 (50%)

 

2

33

21 (64%)

 

14 (42%)

 

19 (58%)

 

3

54

49 (61%)

 

34 (63%)

 

39 (72%)

 

M category

0

165

112 (68%)

0.763

80 (48%)

0.952

94 (57%)

0.471

1

4

3 (75%)

 

2 (50%)

 

3 (75%)

 

TNM stage

I

34

15 (44%)

<  0.001

14 (41%)

0.777

15 (44%)

0.188

II

44

25 (57%)

 

21 (48%)

 

24 (55%)

 

II

64

52 (81%)

 

33 (52%)

 

39 (61%)

 

IV

27

23 (85%)

 

14 (52%)

 

19 (70%)

 

Venous invasion

Absence

139

92 (66%)

0.264

66 (47%)

0.561

76 (55%)

0.124

Presence

30

23 (77%)

 

16 (53%)

 

21 (70%)

 

WHO classification

Tubular

115

86 (75%)

0.091

66 (57%)

0.030

72 (63%)

0.055

SRC

18

11 (61%)

 

6 (33%)

 

9 (50%)

 

Mucinous

17

7 (41%)

 

4 (24%)

 

5 (29%)

 

Mixed

15

9 (60%)

 

4 (27%)

 

7 (47%)

 

Papillary

2

1 (50%)

 

1 (50%)

 

2 (100%)

 

Neuroendocrine

2

1 (50%)

 

1 (50%)

 

2 (100%)

 

Histologic gradeb

WD

10

4 (40%)

0.002

7 (70%)

0.182

7 (70%)

0.248

MD

64

55 (86%)

 

40 (63%)

 

44 (69%)

 

PD

43

28 (65%)

 

20 (47%)

 

23 (53%)

 

Lauren classification

Intestinal

71

54 (76%)

0.079

47 (66%)

<  0.001

48 (68%)

0.037

Diffuse

73

43 (59%)

 

25 (34%)

 

34 (47%)

 

Mixed

25

18 (72%)

 

10 (40%)

 

15 (60%)

 

ɣH2AX

Negative

72

38 (53%)

<  0.001

28 (39%)

0.031

  

Positive

97

77 (79%)

 

54 (56%)

   

Ox-PTP, cytoplasm

Negative

87

38 (44%)

<  0.001

    

Positive

82

77 (94%)

     
  1. Abbreviations: CEA carcinoembryonic antigen, CA19–9 carbohydrate antigen 19–9, LN lymph node, WD well differentiated, MD moderately differentiated, PD poorly differentiated, SRC signet ring cell carcinoma, EGC early gastric cancer, AGC advanced gastric cancer; aPreoperative serum level of CEA or CA19–9 were not measured in 28 and 29 patients, respectively. bHistologic grading was carried in tubular and papillary type carcinomas according to the grading system of the WHO histological classification of gastric tumours