Table 2.
Prevalence of Helicobacter pylori virulence factors (cagA and vacA) among different lineage of isolates
| Genotypes description | Total, no. (%) | Lineage wise distribution | |
|---|---|---|---|
| HpAsia2 | HpEurope | ||
| Total studied | 20 | 10 (50%) | 10 (50%) |
| cagA | |||
| cagA positive | 18 (90) | 10 (55.5%) | 8 (44.45%) |
| AB | 1 (5) | 0 (0%) | 1 (100%) |
| ABC | 15 (75) | 9 (60%) | 6 (40%) |
| ABCC | 2 (10) | 1 (50%) | 1 (50%) |
| cagA negative | 2 (10) | 0 (0%) | 2 (100%) |
| Pre‐EPIYA type (no deletion) | 18 (100) | 10 (55.5%) | 8 (44.45%) |
| vacA | |||
| s1 | 18 (90) | 10 (55.5%) | 8 (44.45%) |
| s2 | 2 (10) | 0 (0%) | 2 (100%) |
| m1 | 15 (75) | 8 (53.3%) | 7 (46.6%) |
| m2 | 5 (25) | 2 (40%) | 3 (60%) |
| i1 | 18 (90) | 10 (55.5%) | 8 (44.45%) |
| i2 | 2 (10) | 2 (100%) | 0 (0%) |
| d1 | 18 (90) | 10 (55.5%) | 8 (44.45%) |
| d2 | 2 (10) | 2 (100%) | 0 (0%) |
| c1 | 15 (75) | 8 (53.3%) | 7 (46.6%) |
| c2 | 5 (25) | 2 (40%) | 3 (60%) |
| vacA s1m1i1d1c1 | 15 (75) | 8 (53.3%) | 7 (46.6%) |
| s1m2i1d1c2 | 3 (15) | 2 (66.6%) | 1 (33.3%) |
| s2m2i2d2c2 | 2 (10) | 0 (0%) | 2(100%) |
| CagA positive/vacA s1m1i1d1c1 | 15 (75) | 8 (53.3%) | 7 (46.6%) |
| s1m2i1d1c2 | 3 (15) | 2 (66.6%) | 1 (33.3%) |
| CagA negative/vacA s2m2i2d2c2 | 2 (10) | 0 (0%) | 2(100%) |