Table 3 The distribution of H. pylori MLST in Maesot by ethnic group, cagA and vacA genotype
From: Helicobacter pylori virulence genes of minor ethnic groups in North Thailand
| Â | H. pylori population (%) | Undetermined | |||
|---|---|---|---|---|---|
N | hspEAsia | hpAsia2 | hpEurope | ||
Ethnic | |||||
 Thai | 42 | 19 (45.2) | 13 (31.1) | 4 (9.5) | 6 (14.3) |
 Hmong | 25 | 23 (92.0) | 2 (8.0) | 0 (0.0) | 0 (0.0) |
 Karen | 15 | 2 (13.3) | 13 (86.7) | 0 (0.0) | 0 (0.0) |
 Thai-Chinese | 7 | 6 (85.7) | 0 (0.0) | 1 (14.3) | 0 (0.0) |
 Total | 89 | 50 (56.2) | 28 (31.5) | 5 (5.6) | 6 (6.7) |
vacA | |||||
 m1 | 60 | 26 (43.3) | 26 (43.3) | 3 (5.0) | 5 (8.4) |
 m2 | 28 | 23 (82.2) | 2 (7.1) | 2 (7.1) | 1 (3.6) |
 m1, 2 | 1 | 1 (100.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
 Total | 89 | 50 (56.2) | 28 (31.5) | 5 (5.6) | 6 (6.7) |
cagA | |||||
 East-Asian-type | 50 | 45 (90.0) | 3 (6.0) | 0 (0.0) | 2 (4.0) |
 Western-type | 34 | 2 (5.9) | 25 (73.5) | 4 (11.8) | 3 (8.8) |
 Negative | 5 | 3 (60.0) | 0 (0.0) | 1 (20.0) | 1 (20.0) |
 Total | 89 | 50 (56.2) | 28 (31.5) | 5 (5.6) | 6 (6.7) |