1.   Increased basal serum gastrin is related to both atrophy and H pylori infection but not to ageing perse.

2.   Fasting serum gastrin was measured by a GASK-PR radioimmunoassay kit from Oris Company, France.

3.   Increased basal serum gastrin is related to both atrophy and H pylori infection but not to ageing per se.

4.   For basal serum gastrin as the dependent variable, three variables -- age, H pylori status, and atrophy -- were considered.

5.   For gastric acid secretion, basal serum gastrin was considered in addition to these three variables.

6.   H pylori infected subjects had higher serum gastrin concentrations on average than uninfected subjects.

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