Table 2.

Seropositivity of Helicobacter pylori strains affected by age

Age (yr)	n	H. pylori infection rate
		H. pylori cases	%
60-64	395	343	86.8
65-69	497	389	78.3
70-74	476	408	85.7
75-79	384	322	83.9
≥ 80	254	211	83.1
Total	2006	1673	83.4

H. pylori: Helicobacter pylori.