Evaluation on Hepatitis B surveillance models at surveillance pilot points in China, 2013-2015 / 中华流行病学杂志

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.