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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