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Table 2 Relationship between cagA pre-EPIYA type and cag right-end junction types or vacA genotypes.

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

   cag right-end junction type vacA m type
   I II III N.D. m1 m2 (-)
cagA pre-EPIYA type Vietnamese (n = 80) 6 69 4 1 35 40 5
  East Asian (n = 13) 0 13 0 0 6 7 0
  Western (n = 5) 3 2 0 0 1 4 0
  cagA (-) (n = 5) 0 3 0 2 2 3 0
  1. N.D.: not determined