11.   Increased basal serum gastrin is related to atrophy and to infection with H pylori.

12.   Basal serum gastrin concentrations were significantly higher in H pylori positive than in H pylori negative subjects.

13.   Basal serum pepsinogen-I and -II concentrations were significantly higher in H pylori positive than in H pylori negative subjects.

14.   There was no effect of age on basal serum gastrin concentrations.