PMID: 32677411Nov 1, 2018Paper

Prevalence of HBsAg Positive and HBsAb Negative Populations in Rural Mianyang

Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition
Meng-Lu YuPing Yuan

Abstract

To determine the prevalence of positive HBsAg and negative HBsAg populations in rural Mianyang, and provide evidence support for proper immunization strategies. A questionnaire survey was conducted on 163 797 rural residents in Mianyang selected through a multistage random sampling strategy. Serum samples were taken from the participants to detect HBsAg and HBsAb with enzyme-linked immunosorbent assay (ELISA). Overall, 6.57% 〔95% confidence interval (CI): 6.45%-6.69%〕 of participants were HBsAg positive. In those with negative HBsAg, 40.32% (95%CI: 40.36%-40.84%) had negative HBsAb. Higher prevalence of positive HBsAg was found in the male participants (7.74%) compared with the females (5.73%). But the male participants with negative HBsAg were less likely to have negative HBsAb (39.93%) than their female counterparts (40.61%). Those aged between 56 and 65 years had the highest prevalence of positive HBsAg (7.36%); whereas, those aged between 86 and 96 years had the highest prevalence of negative HBsAg/HBsAb (47.61%). The participants who were married (6.63%), resided in Fucheng District (9.23%), had a family history of Hepatitis B (21.01%) and were not vaccinated (7.30%) had higher prevalence of positive HBsAg than others. Tho...Continue Reading

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