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Table 2 Correspondence between preoperative and postoperative results regarding existence of ulcer, gross type, and histology

From: Difficulty of predicting the presence of lymph node metastases in patients with clinical early stage gastric cancer: a case control study

 

Postoperative

p-value*

Preoperative

Ulcer

Negative

Positive

 

Negative

758

218

<0.001

Positive

39

27

 

Gross type

I

IIa

IIb

IIc

III

AGC

 

I

10

3

4

6

1

5

<0.001

IIa

4

16

47

175

15

21

 

IIb

1

5

79

121

4

14

 

IIc

2

9

46

324

21

26

 

III

1

2

8

41

21

11

 

AGC

0

0

0

0

0

0

 

Histology

Pap

WD

MD

PD

Muc

Sig

CLS

 

Pap

0

0

0

0

0

1

0

<0.001

WD

0

92

62

8

0

3

0

 

MD

0

30

161

58

0

7

4

 

PD

0

3

34

141

1

65

8

 

Muc

0

0

0

0

0

0

0

 

Sig

1

0

7

66

1

288

1

 

CLS

0

0

0

0

0

0

0

 
  1. *p-values were obtained using McNemar analysis
  2. AGC advanced gastric cancer, Pap papillary adenocarcinoma, WD well differentiated adenocarcinoma, MD moderately differentiated adenocarcinoma, PD poorly differentiated adenocarcinoma, Muc mucinous adenocarcinoma, Sig signet ring cell carcinoma, CLS carcinoma with lymphoid stroma