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Table 4 Histological scores of neutrophil infiltration in patients with chronic gastritis infected with H. pylori strains of different cagA genotypes in the antrum.

From: Analysis of virulence factors of Helicobacter pylori isolated from a Vietnamese population

 

Neutrophil infiltration

 

pre-EPIYA typing

EPIYA repeat typing

cag right-end junction typing

Grade

Vietnamese

East

Asian

Western

East

Asian

Western

I

II

III

none

4

1

1

7

0

0

4

3

mild

49

9

4

59

4

6

56

1

moderate

26

3

0

29

0

3

26

0

severe

1

0

0

1

0

0

1

0

p-value

N.S.

N.S.

** p

* p

 
  1. Mann-Whitney rank sum test. N.S.: not significant.
  2. *p < 0.01; **p < 0.05; vs. type III