Seroconversion for Helicobacter pylori in adults from Brazil.
作者： Andreia Maria Rocha de Oliveira , Gifone Aguiar Rocha , Dulciene Maria de Magalhães Queiroz , Silvia Beleza de Moura , Ana Lúcia Teles Rabello
DOI: 10.1016/S0035-9203(99)90015-9
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摘要: Abstract We studied, prospectively, seroconversion for Helicobacter pylori in adults from a developing country and investigated risk factors the acquisition of microorganism this population. A group 213 volunteers low socioeconomic level district metropolitan area Belo Horizonte, south-east Brazil was evaluated. Anti- H. IgG antibodies were measured by ELISA using Cobas Core anti- EIA (Roche) serum samples collected 1992 1997. The subjects interviewed sociodemographic data collected. total 174 (81·7%) presented on occasion first visit. During 56 months follow-up, 2 39 seronegative converted to seropositive with an annual infection rate 1·1%, reverted (0·2%/year). prevalence increased significantly age inverse association observed between educational level. In conclusion, results present study demonstrate that there is but continuous adulthood.
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