摘要
目的掌握1950—2014年中国麻疹时刻流行特征并预测麻疹发病趋势,为探索下一步麻疹防控策略提供依据。方法对1950—2014年我国麻疹的时间分布和空间分布情况进行描述性分析,并通过1950—2014年的麻疹发病数据建立ARIMA模型,预测麻疹发病趋势。结果我国麻疹30年以来以及10年以来的发病率呈下降趋势,东北部和西北部一直是麻疹高发地区,中部和东南部地区则发病率相对较小。得到模型ARIMA(2,1,0),并预测2015—2025年的发病率。结论我国麻疹发病率存在显著空间差异,北部尤其是东北部地区是麻疹防控重点区域;经ARIMA模型预测,我国未来10年没有大型麻疹流行趋势。
[Objective]To investigate the spatial-temporal characteristics and predict the incidence trend of measles in China from 1950-2014,and provide evidence for exploring the policy for measles prevention and control. [Methods] Descriptive analysis of time distribution and spatial distribution of measles from 1950-2014 was carried out. The ARIMA model was established based on incidence data of measles in China from 1950-2014 to predict the incidence trend. [Results] The incidence rates of measles in China were decline in recent 30 years and 10 years. The northeastern and northwestern regions were the high prevalence areas of measles. The incidence rates in the central and southeastern regions were relatively low. The model ARIM A(2,1,0) was got and used to predict the incidence rate of 2015-2025.[Conclusion] There is a significant spatial difference in the incidence of measles in our country. The northern region especially northeastern region was the key area for prevention and control of measles.According to the ARIMA model prediction,there is no major epidemic situation of measles in the next 10 years.
引文
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