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[Evaluation on Hepatitis B surveillance models at surveillance pilot points in China, 2013-2015]
Abstract:
Objective: To evaluate the effects on Hepatitis B surveillance models at the surveillance pilot points in China. Methods: Hepatitis B related records kept at the surveillance pilot points were downloaded from NNDRS. Data concerning proportion of unclassified Hepatitis B cases, consistency of additional records and the accuracy of reported acute Hepatitis B cases were evaluated. Results: The proportion of unclassified Hepatitis B cases was decreasing year by year (P<0.05), from 32.07% in 2012 to 4.26% in 2015, with Kappa as 0.768, 0.821 and 0.836 respectively in 2013-2015. The accuracy of reported acute Hepatitis B was improving (P<0.05), from 55.77% in 2013 to 74.49% in 2015. Conclusions: Additional records and blood testings on acute Hepatitis B cases seemed to be effective in improving the accuracy of Hepatitis B reporting system and decreasing the proportion of unclassified Hepatitis B cases. We suggested that this model of surveillance could be applied elsewhere in the nation to improve the quality of report system on Hepatitis B.
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