2010～2016年靖西市水痘流行病学特征分析

Analysis on epidemiological characteristics of variclla,Jingxi city,2010-2016

目的了解靖西市水痘流行病学特征,为制定水痘防治措施提供参考依据。方法对2010~2016年靖西市水痘疫情资料进行描述性流行病学统计分析。结果2010~2016年靖西市共报告水痘病例2 187例,年平均发病率为47.72/10万,无死亡病例报告,各年度水痘发病率差异有统计学意义(P<0.01)。全年各月均有病例报告,发病季节高峰有双峰特点,4~7月发病人数占总病例数28.70%,10月至次年1月发病人数占总病例数为54.09%。发病人群以≤15岁儿童为主,男性发病(1 233例)高于女性(954例),男∶女=1.29∶1。全市19个乡镇均有病例报告,年平均发病率较高的乡镇为新靖镇、岳圩镇、地州镇、安德镇、新甲乡,年平均发病率分别为81.81/10万、62.00/10万、57.57/10万、52.36/10万、52.27/10万,各乡镇发病率差异有统计学意义(P<0.01)。结论靖西市散居儿童、托幼机构儿童、小学生、初中生为水痘高发重点人群。

Objective To understand the epidemiological characteristics of varicella in Jingxi city,so as to provide basis for the prevention and control of varicella. Methods The descriptive epidemiological analysis was conducted on the epidemic data of varicella in Jingxi city,2010-2016. Results During 2010-2016,a total of 2 187 cases of varicella were reported in Jingxi city, the average annual incidence rate was 47.72/10^5 , no deaths were reported, there was a significant difference in the incidence of varicella in each year （ P 〈0.01）. Cases were reported in each month of the year, with 2 peaks in each season,the number of cases during April-July accounted for 28.70% of the annual total,cases during October-next January accounted for was 54.09% of the total. The incidence of people were mainly among children under the age of 15,the incidence of males （1 233 cases）was higher than that of females（954 cases）, the gender ratio was male：female=1. 29 ： 1. Cases were reported in 19 townships of Jingxi city,the average annual incidence rate was higher in Xinj ing, Yuewei, Dizhou, Ande and Xinjia townships, the average annual incidence rate was 81.81/10^5 , 62.00/10^5 , 57.57/10^5 , 52.36/10^5 and 52.27/10^5. there was a significant difference in the incidence among the townships （ P 〈0.01）. Conclusion Scattered children,kindergarten children,primary school students and junior high school students are the high risk groups of varicella in Jingxi city.