2011～2018年聊城市猩红热流行病学特征分析

Analysis on epidemiological characteristics of scarlet fever,Liaocheng city,2011-2018

目的了解聊城市猩红热流行特征,为制定科学有效的防控措施提供依据。方法运用描述性流行病学方法,对国家传染病报告信息管理系统中报告的2011~2018年聊城市猩红热疫情资料进行分析。结果2011~2018年聊城市报告猩红热病例1 662例,年均发病率为3.50/10万,不同年份发病率差异有统计学意义(P<0.01)。报告病例居前3位的县(市、区)分别为东昌府区(763例)、东阿县(296例)和茌平县(248例),不同地区发病率差异有统计学意义(P<0.01)。发病呈明显季节性,10至次年1月和4~7月为发病高峰,分别占报告发病总数的49.82%和32.85%。男性发病率(4.33/10万)高于女性(2.63/10万)(P<0.01)。发病年龄以15岁以下儿童为主,尤其以3~7岁高发,占报告发病总数的77.07%;职业以幼托儿童、散居儿童和学生为主,占报告发病总数的98.62%。结论2011~2018年聊城市猩红热发病率整体呈上升趋势。

Objective To understand the epidemiological characteristics of scarlet fever in Liaocheng city,so as to provide scientific basis for developing the effective control and prevention measures. Methods The data of scarlet fever from the National Disease Surveillance Information Systemin Liaocheng city during 2011-2018were analyzed by descriptive epidemiological method. Results A total of 1 662cases were reported in Liaocheng city during 2011-2018,with the average annual incidence of 3.50/105.The incidence varied in different years with statistically significant difference (P <0.01).The top 3counties of the highest number of cases were Dongchangfu district(763cases),Dong'e county(296 cases)and Chiping county(248cases),with statistically significant difference in the incidence among different areas(P < 0.01).There was obvious seasonality in the incidence,with 2peaks in October-next January and April-July,accounting for 49.82%and 32.85%,respectively.The incidence of male(4.33/105)was higher than that of female(2.63/105)(P < 0.01).The cases were mainly distributed in children aged under 15years old,especially those aged 3-7years,which accounted for 77.07%;and the kindergarten children,scattered children and students were the main population of cases,accounted for 98.62%of the total cases. Conclusion The incidence of scarlet fever shows an overall increase trend during 2011-2018in Liaocheng city.