2004-2013年长治市丙型肝炎流行特征分析

Analysis on the epidemic characteristics of hepatitis C in Changzhi city during 2004 to 2013

[目的]分析长治市近10年丙型肝炎（丙肝）发病趋势及流行特征,为本市进一步制定丙肝的防控措施提供科学依据。[方法]对长治市2004-2013年丙肝传染病资料运用描述流行病学方法进行分析。[结果]长治市10年共报告丙肝发病数3614例,年平均发病率为10.98/10万,发病率最低为2004年的2.59/10万,最高为2013年22.61/10万,10年间发病率最高约为最低的9倍。发病年龄集中在20~64岁,占病例数的78.39%。职业分布中以农民为主,占45.89%;其次为工人,占10.96%;第三为家务及待业人员,占10.29%。发病地区分布不均衡,累计发病率城区最高（28.5/10万）,沁源县最低（2.1/10万）。[结论]长治市10年间丙型肝炎发病率总体呈上升趋势,应加强对重点地区、重点人群的疫情监测,采取有效的干预措施,控制丙肝流行。

Objective To find out the epidemiological characteristics and the incidence trend of hepatitis C in Changzhi city during the past 10 years to provide scientific basis for further making prevention and control measures against hepatitis C. Methods With descriptive epidemiology method,analyzed the data about hepatitis C in Changzhi city from 2004 to 2013. Results There were 3614 cases had been reported in the past10 years,with the average annual incidence rate of 1098 /100 000. The incidence rate（ 2. 59 /100 000） of hepatitis C in 2004 was the lowest,while the year of 2013 was the highest（ 22. 1 /100 000）,about 9 times than the lowest. The age of the affected objects were mainly between 20 and 64 years old,accounting for 78. 39% of the total cases. The affected objects were mostly farmers,accounting for 4589%,followed by workers,accounting for 1096%,the third for domestic and unemployed,accounting for 10. 29%. The regional distribution was unbalance. The cumulative incidence in urban area was the highest（ 28. 5 /100 000）,the lowest was 2. 1 /100 000 in Qinyuan county. Conclusions The incidence rate of hepatitis C in Changzhi during the past 10 years is on the rise. The effective monitoring and intervention measures to control hepatitis C should be strengthened in the critical groups and areas.