TABLE 1.

Characteristics of the children studied

H. pylori status	No. of children	No. of boys/ no. of girls	Mean age ± SD (yr)	Age range (yr)
Positive	66	28/38	10.2 ± 2.8	3–16
With duodenal ulcer	21	15/6	11.5 ± 1.8	8–16
Without duodenal ulcer	45	13/32	9.6 ± 2.9	3–13
Negative	56	23/33	8.0 ± 3.6	2–14
Total	122	51/71	9.2 ± 3.3	2–16