Relation between Helicobacter pylori cagA and vacA genotypes in pretreatment biopsy specimens and clinical diagnosis
| vacA genotype | Duodenal ulcer (n=54) | Gastric ulcer (n=14) | Functional dyspepsia (n=53) | Total | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| cagA+ | cagA− | cagA+ | cagA− | cagA+ | cagA− | ||||||||
| Group 1 | |||||||||||||
| s1/m1 | 7 | 1 | 2 | – | 1 | 2 | 13 (28.3%) | ||||||
| s1/m2 | 9 | 4 | 2 | 2 | 2 | 1 | 20 (43.3%) | ||||||
| s2/m2 | – | 1 | – | 1 | – | 5 | 7 (15.2%) | ||||||
| Multiple | 4 | – | – | – | 1 | 1 | 6 (13.0%) | ||||||
| Group II | |||||||||||||
| s1/m1 | 9 | – | 3 | 1 | 11 | 1 | 25 (33.3%) | ||||||
| s1/m2 | 11 | 1 | 2 | – | 8 | 4 | 26 (34.6%) | ||||||
| s2/m2 | – | 3 | – | 1 | – | 13 | 17 (22.7%) | ||||||
| Multiple | 4 | – | 1 | 7 (9.3%) | |||||||||
| Total | 44 | 10 | 9 | 5 | 25 | 28 | 121 | ||||||