From: Analysis of virulence factors of Helicobacter pylori isolated from a Vietnamese population
 | Types | Control | Case | PRC ± SE | p value |
---|---|---|---|---|---|
Neutrophil infiltration | cag right-end junction | type I | type II | 0.017 ± 0.25 | <0.001 |
 |  |  | type III | -1.13 ± 0.35 |  |
 | cagA pre-EPIYA | East Asian | Western | -0.35 ± 0.30 | 0.08 |
 |  |  | Vietnamese | 0.19 ± 0.16 |  |
Mononuclear cell infiltration | cagA pre-EPIYA | East Asian | Western | -0.66 ± 0.29 | 0.008 |
 |  |  | Vietnamese | 0.13 ± 0.15 |  |
 | vacA m | m2 | m1 | -0.20 ± 0.11 | 0.07 |
Atrophy | none | Â | Â | Â | Â |
Intestinal metaplasia | cag right-end junction | type I | type II | 0.02 ± 0.17 | 0.03 |
 |  |  | type III | 0.61 ± 0.27 |  |