Research Article
The Prevalence of Helicobacter pylori Virulence Factors in Bhutan, Vietnam, and Myanmar Is Related to Gastric Cancer Incidence
Table 3
Patient characteristics and prevalence of Helicobacter pylori virulence factors according to clinical outcome.
(a) |
| Bhutan | Gastritis | Peptic ulcer |
| | 161 | 38 | Mean age | 36.8 ± 13.4 | 35.3 ± 15.3 | Male | 66 | (41.0%) | 27 | (71.1%) | cagA | 161 | (100.0%) | 38 | (100.0%) | vacA s1 | 161 | (100.0%) | 38 | (100.0%) | vacA m1 | 122 | (75.8%) | 31 | (81.6%) | jhp0562-positive | 158 | (98.1%) | 38 | (100.0%) | β-(1,3)gal- positive | 29 | (18.0%) | 4 | (10.5%) | jhp0562-positive/β-(1,3)galT-negative | 132 | (82.0%) | 34 | (89.5%) | jhp0562-negative/β-(1,3)galT-positive | 3 | (1.9%) | 0 | (0.0%) | Double-positive of jhp0562 and β-(1,3)galT | 26 | (16.1%) | 4 | (10.5%) | cagA/vacA s1m1 | 122 | (75.8%) | 31 | (81.6%) | cagA/vacA s1m1/jhp0562-positive/β-(1,3)galT-negative | 100 | (62.1%) | 28 | (73.7%) |
|
|
indicates < 0.05.
|
(b) |
| Vietnam | Gastritis | Peptic ulcer |
| | 76 | 26 | Mean age | 44.1 ± 12.7 | 46.0 ± 14.1 | Male | 30 | (39.5%) | 17 | (65.4%) | cagA | 72 | (94.7%) | 25 | (96.2%) | vacA s1 | 76 | (100.0%) | 26 | (100.0%) | vacA m1 | 32 | (42.1%) | 16 | (61.5%) | jhp0562-positive | 74 | (97.4%) | 25 | (96.2%) | β-(1,3)galT-positive | 10 | (13.2%) | 8 | (30.8%) | jhp0562-positive/β-(1,3)galT-negative | 66 | (86.8%) | 18 | (69.2%) | jhp0562-negative/β-(1,3)galT-positive | 2 | (2.6%) | 1 | (3.8%) | Double-positive of jhp0562 and β-(1,3)galT | 8 | (10.5%) | 7 | (26.9%) | cagA/vacA s1m1 | 30 | (39.5%) | 16 | (61.5%) | cagA/vacA s1m1/jhp0562-positive/β-(1,3)galT-negative | 26 | (34.2%) | 11 | (42.3%) |
|
|
indicates < 0.05.
|