2005-2011年浙江省宁波市流动人口肺结核疫情流行特征分析

Epidemiology of pulmonary tuberculosis in floating population in Ningbo,Zhejiang,2005-2011

目的了解2005-2011年浙江省宁波市流动人口肺结核疫情流行特征。方法采用描述流行病学方法对宁波市结防机构登记的流动人口患者进行分析。结果 7年累计登记流动人口活动性肺结核患者14 077例,登记例数逐年上升;新涂阳肺结核患者登记率近3年逐年下降;2009-2011年新涂阳患者时间分布上1、2和12月低峰特征明显,15～44岁为高峰年龄段,民工构成比逐年下降,家政、家务及待业构成比逐年上升。结论宁波市肺结核患者发现水平高且平稳,流动人口肺结核患者已成为宁波市肺结核防制的主体,防控措施应做相应调整以适应新的疫情特征。

Objective To understand the epidemiological characteristics of pulmonary tuberculosis（TB） in floating population in Ningbo from 2005 to 2011.Methods Descriptive epidemiological analysis was conducted on the incidence data of pulmonary TB in floating population in Ningbo during this period.Results A total of 14 077 active pulmonary TB cases were registered and the case number increased year by year.The register rate of new smear positive cases decreased in recent 3 years.Among the new smear positive TB cases,the proportions in January,February and December were low.The cases were mainly distributed in age group 15-44 years.The case proportion in migrant workers decreased with year,but the proportion in people engaged in household service and the unemployed increased.Conclusion The detection level of TB cases was high and stable in Ningbo.The prevention and control of TB should be emphasized in floating population according to its epidemiological characteristics in Ningbo.