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目的了解丽水市近年来戊型肝炎的发病趋势及分布特征,为制定防治措施提供依据。方法通过传染病网络直报系统调取丽水市2006-2012年戊肝疫情资料,采用描述性流行病学方法进行分析,统计学方法采用χ2检验和Spearman秩相关。结果 2006-2012年丽水市报告戊肝病例748例,年均发病率为4.16/10万,戊肝发病集中于2-5月份;莲都区戊肝发病率最高,庆元县最低,各乡镇间发病率存在差异(P<0.001);男性发病率高于女性,差异有统计学意义(P<0.001),戊肝年均发病率随年龄的增加呈上升趋势(rs=0.883,P=0.002);职业构成以农民居多(71.39%)。结论丽水市近年来戊肝发病率呈上升趋势,男性、50岁以上中老年人是发病的重点人群。应加强市民尤其是农民的宣传教育,加强食品和饮水的卫生监督管理。
Objective To understand the trend and distribution characteristics of hepatitis E in Lishui City in recent years and provide the basis for the development of prevention and treatment measures. Methods Epidemiological data of epidemic situation of hepatitis E in 2006 ~ 2012 in Lishui city were retrieved by the direct reporting system of infectious diseases. Descriptive epidemiological methods were used to analyze the epidemic situation. The statistical method wasχ2 test and Spearman rank correlation. Results A total of 748 hepatitis E cases were reported in Lishui City from 2006 to 2012, with an average annual incidence of 4.16 / 100 000. The incidence of hepatitis E was mainly in the period from May to May. The incidence of hepatitis E in Liandu district was the highest, lowest in Qingyuan County, (P <0.001). The incidence of males was higher than that of females, the difference was statistically significant (P <0.001). The average annual incidence of hepatitis E increased with age (rs = 0.883, P = 0.002 ); Occupations constitute the majority of peasants (71.39%). Conclusion The prevalence of hepatitis E in Lishui City has been on the rise in recent years. Men and middle-aged and elderly people over 50 years old are the key patients. Publicity and education should be strengthened for the public, especially for peasants, and health supervision and administration of food and drinking water should be strengthened.