Epidemiological characteristics and spatial-temporal clutering of scrub typhus in Fujian Province from 2014 to 2020
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摘要:
目的 分析福建省2014―2020年恙虫病流行特征和时空聚集性,为制定防控策略提供依据。 方法 收集福建省2014―2020年通过中国疾病预防控制信息系统报告的恙虫病病例信息,采用WPS 2016、SPSS 20.0、ArcGIS 10.0、SaTScan 9.5等软件进行数据处理和统计分析,探索时空分布特征。 结果 2014―2020年福建省共报告恙虫病病例8 595例,年均发病率为3.03/10万,病例主要集中在6―10月,病例集中于40~<70岁(73.10%),职业以农民为主(73.30%)。年均发病率最高的地区是南平市11.71/10万,发病率居前的县区为平和县(36.71/10万)、光泽县(31.28/10万)。时空扫描显示最大可能聚集区多达10个,以平和县为中心覆盖了6个县区。 结论 福建省恙虫病发病存在一定的时空聚集性,应加强对重点人群和重点地区的日常监测和病原检测工作,降低福建省恙虫病发病水平。 Abstract:Objective This study aimed to analyze the epidemiological characteristics and spatial distribution of scrub typhus in Fujian Province from 2014 to 2020, in order to provide evidence for the development of prevention and control measures. Methods The data on scrub typhus were collected through The China Disease Control and Prevention Information System to explore the spatial-temporal distribution characteristics in Fujian Province from 2014 to 2020. We used WPS 2016, SPSS 20.0, ArcGIS 10.0, and SaTScan 9.5 software for data processing and statistical analysis. Results From 2014 to 2020, 8 595 cases of scrub typhus were reported in Fujian, with an average annual incidence rate of 3.03/100 000. The cases were concentrated from June to October. The cases were mainly concentrated in the age group of 40- < 70 years old, accounting for 73.10%. Most patients were farmers, accounting for 73.30%. The highest incidence rate of scrub typhus was 11.71/100 000 in Nanping. The incidence was 36.71/100 000 in Pinghe, and 31.28/100 000 in Guangze, which were higher than in other counties. Temporal scanning showed that there were 10 clustering areas with the highest incidence, with the most significant cluster centered on Pinghe, encompassing six counties. Conclusions A certain characteristic of spatiotemporal clustering is shown in the scrub typhus incidence in Fujian. It is necessary to strengthen routine monitoring and pathogens detection of scrub typhus in the key populations and areas to reduce the incidence of scrub typhus. -
表 1 2014―2020年福建省恙虫病发病数时空扫描
Table 1. Spatio-temporal scanning of scrub typhus cases in Fujian Province from 2014 to 2020
聚集分级
Cluster level聚集时间
Cluster time涉及县区数
Number of county聚集中心
Cluster center半径/km
Radius/km发病例数
Cases期望发病例数
Expected casesRR值
RR valueLLR值
LLR valueP值
P value最大可能
The most possible2015/06/02―2018/11/12 6 平和县
Pinghe County45.15 1 733 314 6.66 1 670.96 < 0.001 2017/05/22―2020/11/01 2 光泽县
Guangze County27.23 452 48 9.83 617.28 < 0.001 2017/05/22―2020/11/01 4 延平区
Yanping District47.12 586 143 4.33 396.28 < 0.001 2017/05/22―2020/11/01 1 松溪县
Songxi County0 180 14 12.96 293.40 < 0.001 2015/06/02―2018/11/12 2 武夷山市
Wuyi Mountain City47.96 226 59 3.88 136.81 < 0.001 2014/06/07―2014/10/04 6 同安区
Tong′an District31.59 127 40 3.24 61.12 < 0.001 2017/05/22―2020/11/01 2 上杭县
Shanghang County32.60 179 71 2.55 58.11 < 0.001 2016/05/27―2018/11/12 3 华安县
Hua′an County47.82 104 49 2.14 23.46 < 0.001 2017/06/21―2017/10/18 1 宁化县
Ninghua County0 20 3 6.80 21.27 < 0.001 2019/06/11―2020/12/31 1 福清市
Fuqing City0 39 13 3.10 17.68 0.001 二级可能
The second possible2016/06/26―2018/10/13 1 永定区
Yongding District0 57 26 2.16 13.29 0.020 2018/05/17―2018/09/13 3 泰宁县
Taining County34.90 18 4 4.46 12.95 0.034 三级可能
The third possible2014/06/07―2014/10/04 1 连江县
Lianjiang County0 21 6 3.52 11.37 0.115 2020/12/02―2020/12/31 1 福安市
Fu′an City0 9 2 6.01 8.64 0.715 -
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