Table 1.

Demographic and clinical characteristics of patients at entry into each treatment group

Patient characteristics (n)	Group A	Group B	Group C
Number of patients	72	72	71
Sex (M/F)	31/41	35/37	34/37
Age (yr), mean ± SD	45 ± 10	47 ± 13	43 ± 15
Antral gastritis	58	61	57
Pangastritis	17	15	19
Intestinal metaplasia	19	21	17
Duodenitis	11	13	10
Gastric ulcer	40	42	39
Duodenal bulb ulcer	13	12	10
Compound ulcers	6	7	4