Table 2

 Positive rates of anti-recombinant VacA antibody detected by western blotting in H pylori infected patients’ sera

Diagnosis3-150 No (%) of patients positive for anti-VacA antibody Total
Gastric ulcer22  (84.6)26
Duodenal ulcer20 (95.2)21
Chronic gastritis18 (94.7)19
Endoscopically normal14 (100)14
Others3-151 3 (75.0)4
Total77 (91.7)84

  • ↵3-150 Patients were classified into five groups according to endoscopy findings.

  • ↵3-151 Including three patients with gastric cancer and a patient with gastric adenoma.