Epidemiological characteristics and spatial clusters of pulmonary tuberculosis in Zhejiang province,2005-2011
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摘要: 目的 分析浙江省2005-2011年肺结核的流行特点,探讨其空间聚集特征。方法 综合肺结核报告发病率、空间自相关分析法和单纯空间扫描统计量,以区县级为单位对浙江省2005-2011年肺结核监测数据进行分析。结果 2005-2011年浙江省90个区县共报告新发肺结核239080例,年均报告发病率为67.50/10万。发病以男性为主,男女占比为2.18:1;年龄分布以15~60岁为主,占75.5%;职业分布以农民为主,占44.9%,其次是民工和工人,分别占22.0%和10.2%。空间自相关分析和单纯空间扫描统计量均发现浙江省西部衢州市的绝大多数区县以及杭州市的部分区县为肺结核高发病率聚集地区,而嘉兴市、宁波市和丽水市则为低发病率聚集地区。结论 浙江省肺结核发病率总体呈下降趋势,发病率低于全国平均水平;农村的男性青壮年是肺结核主要易感人群;衢州市是浙江省肺结核的主要发病聚集区域。Abstract: Objective To investigate the epidemiological characteristics and spatial clusters of pulmonary tuberculosis in Zhejiang province from 2005 to 2011.Methods Based on the data from the communicable disease surveillance network system of Zhejiang Provincial Center for Disease Control and Prevention from 2005 to 2011,we employed the spatial autocorrelation method and scan statistics to identify the spatial clusters of pulmonary tuberculosis in Zhejiang province at the level of county.Results A total of 239080 pulmonary tuberculosis cases were reported from 2005 to 2011 and the average annual incidence rate was 67.50 per 100000.The male to female ratio of the cases was 2.18:1.Of all the cases,75.5% were at the ages of 15-60 years and 44.9% were farmers.Both spatial autocorrelation analysis and scan statistics revealed that most of the counties with pulmonary tuberculosis clustered in Quzhou municipality and three counties in Hangzhou municipality.On the contrary,the counties in Jiaxin,Ningbo,and Lishui municipality were regions with low pulmonary tuberculosis incidence.Conclusion The overall pulmonary tuberculosis incidence in Zhejiang province descended annually since 2006 and was lower than that of the country.Male and young adults from countries were the most susceptible groups to pulmonary tuberculosis.Quzhou was the major high-incidence region of pulmonary tuberculosis in Zhejiang province.
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Key words:
- pulmonary tuberculosis /
- spatial cluster /
- spatial autocorrelation /
- scan statistic
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