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Table 3 Relationship of high carbonic anhydrase IX (CA9) expression and clinicopathologic characteristics in the esophageal adenocarcinoma group (N = 112)

From: High expression of carbonic anhydrase IX is significantly associated with glandular lesions in gastroesophageal junction and with tumorigenesis markers BMI1, MCM4 and MCM7

Variable

High expression n (%)

Low expression n (%)

P value

Age, years

   

 Mean (SD)

64.8 (10.8)

63.5 (12.0)

.7260

 Range

(34–85)

(36–80)

 

Sex

   

 Male

89

10

.7598

 Female

12

1

 

Lymph node metastasis

   

Positive nodes

3.7 (4.5)

3.9 (6.5)

.8752

T Stage

   

 0

1

0

.5618

 1

10

2

 

 2

30

2

 

 3

60

7

 

N stage

   

 0

27

2

.9260

 1

49

6

 

 2

15

2

 

 3

10

1

 

TNM stage

  

.3000

 1

13

3

 

 2

22

1

 

 3

64

6

 

Differentiation

   

 Poor

68

5

.3196

 Moderate

32

4

 

 Well

5

1

 
  1. TNM Tumor Staging based on WHO Classification of Malignant Tumors; N stage based on lymph node metastasis