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Table 4 The distribution of histological features based on virulence factor genotypes

From: Advanced non-cardia gastric cancer and Helicobacter pylori infection in Vietnam

  Lauren type
  Total Intestinal type Diffuse type Indeterminate
n (%)
Total   112    
CagA
 Western-type 2 (1.8%) 0 (0%) 2 (100%) 0 (0%)
 East Asian-type 110 (98.2%) 45 (40.9%) 61 (55.5%) 4 (3.6%)
Pre-EPIYA
 18 bp deletion-type 94 (85.5%) 36 (38.3%) 54 (57.4%) 4 (4.3%)
 39 bp deletion-type 13 (11.8%) 6 (46.2%) 7 (53.8%) 0 (0%)
 No deletion-type 3 (2.7%) 1 (33.3%) 2 (66.7%) 0 (0%)
vacA genotype
 s region
  s1 111 (99.1%) 44 (39.6%) 63 (56.8%) 4 (3.6%)
  s1s2 1 (0.9%) 1 (100%) 0 (0%) 0 (0%)
 m region
  m1 77 (68.8%) 30 (39%) 45 (58.4%) 2 (2.6%)
  m2 35 (31.2%) 15 (40.2%) 18 (51.4%) 2 (5.7%)
  1. All P > 0.05
  2. n number of cases