TABLE 1.

Characteristics of 117 study patients

Clinical status	No. of patients			Mean age (yr) ± SD (range)
	Male	Female	Total
Gastric ulcer	2	3	5	12.2 ± 4.5 (4–16)
Duodenal ulcer	16	4	20	12.3 ± 2.6 (5–16)
Nodular gastritis	5	10	15	14.1 ± 1.4 (11–16)
Asymptomatic control	33	44	77	12.0 ± 3.5 (3–16)
Total	56	61	117	12.4 ± 3.3 (3–16)