Table 1: Characteristics of the subjects enrolled in the study.

Feature/parametersSubjects
Healthy volunteersWith asymptomatic H. pylori infectionWith symptomatic H. pylori infection

Number of subjects303030
Age (years)
Gender F = 13F = 12F = 11
M = 17M = 18M = 19
BMI (kg/m2)
UBT-13C (‰ CO2)
Antral gastritis*22930
Pangastritis*1416

Grade II according to Sydney criteria.