A bayesian meta-analysis on prevalence of hepatitis B virus infection among Chinese volunteer blood donors

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Background: Although transfusion-transmitted infection of hepatitis B virus (HBV) threatens the blood safety of China, the nationwide circumstance of HBV infection among blood donors is still unclear. Objectives: To comprehensively estimate the prevalence of HBsAg positive and HBV occult infection (OBI) among Chinese volunteer blood donors through bayesian meta-analysis. Methods: We performed an electronic search in Pub-Med, Web of Knowledge, Medline, Wanfang Data and CNKI, complemented by a hand search of relevant reference lists. Two authors independently extracted data from the eligible studies. Then two bayesian random-effect meta-analyses were performed, followed by bayesian meta-regressions. Results: 5957412 and 571227 donors were identified in HBsAg group and OBI group, respectively. The pooled prevalence of HBsAg group and OBI group among donors is 1.085% (95% credible interval [CI] 0.859%∼1.398%) and 0.094% (95% CI 0.0578%∼0.1655%). For HBsAg group, subgroup analysis shows the more developed area has a lower prevalence than the less developed area; meta-regression indicates there is a significant decreasing trend in HBsAg positive prevalence with sampling year (beta = -0.1202, 95% 20.2081∼-0.0312) . Conclusion: Blood safety against HBV infection in China is suffering serious threats and the government should take effective measures to improve this situation. © 2013 Liu et al.




Liu, G. C., Sui, G. Y., Liu, G. Y., Zheng, Y., Deng, Y., Gao, Y. Y., & Wang, L. (2013). A bayesian meta-analysis on prevalence of hepatitis B virus infection among Chinese volunteer blood donors. PLoS ONE, 8(11). https://doi.org/10.1371/journal.pone.0079203

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