Table 1 Prevalence of cagA and allelic variants of vacA on the H. pylori strains isolated from patients with ulcer or NUD
From: cagA and vacA in strains of Helicobacter pylori from ulcer and non-ulcerative dyspepsia patients
Gastroduodenal condition | CagA | VacA | |||||
|---|---|---|---|---|---|---|---|
| Â | CagA + | CagA - | S1 | S2 | m1 | m2 | m1m2 |
Ulcers * | 15 (60%) | 10 (40%) | 16 (62%) | 9 (38%) | 13 (52%) | 11 (44%) | 1 (4%) |
NUD ** | 21 (55%) | 17 (45%) | 20 (53%) | 18 (47%) | 14 (37%) | 23 (60%) | 1 (3%) |