| dyspepsia symptoms and helicobacter pylori infection, nakuru, kenya. | the prevalence of helicobacter pylori infection was studied in 138 patients with dyspepsia in a hospital in nakuru, kenya, and in 138 asymptomatic sex- and age-matched controls from the same population. anti-h. pylori immunoglobulin (ig) g was more prevalent in dyspeptic than asymptomatic persons (71% vs. 51%), particularly those <30 years old (71% vs. 38%). h. pylori seropositivity was associated with dyspepsia after adjusting for age, sex, and residence (urban or rural). among adults, the asso ... | 2003 | 14519247 |