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目的了解湘西土家族苗族自治州(下称湘西州)1990～2010年病毒性肝炎流行趋势,为卫生行政部门制定防制策略提供科学依据。方法采用描述流行病学方法对湘西州1990～2010年病毒性肝炎疫情资料进行统计分析。结果湘西州1990～2010年间病毒性肝炎发病率呈下降趋势,发病率由1990年的154.72/10万下降至2010年的43.53/10万,但在甲乙类传染病排位一直在前2～4位波动,变化不大。分型以甲肝、乙肝为主,甲肝的发病构成下降,乙肝发病构成上升。性别分布男性多于女性,差异有统计学意义(χ2=2 090.3,P<0.01,);职业分布以农民发病最多,占36.08%;年龄分布以5～9岁和20～29岁组高发。结论在抓好甲、乙肝预防接种的同时,应加强对重点人群的防控措施,降低病毒性肝炎发病率。
Objective To understand the epidemic trend of viral hepatitis in Tujia and Miao Autonomous Prefecture (Xiangxi Prefecture) from 1990 to 2010 in Hunan Province, and to provide a scientific basis for the formulation of control strategies by health administrative departments. Methods Descriptive epidemiological methods were used to analyze the data of epidemic situation of viral hepatitis in Xiangxi Prefecture from 1990 to 2010. Results The incidence of viral hepatitis in Xiangxi Prefecture dropped from 1990 to 2010, with the incidence dropping from 154.72 / 100000 in 1990 to 43.53 / 100000 in 2010. However, the ranking of infectious diseases in Class A and B has been in the first 2 ~ 4 Bit fluctuations, little change. Type A, hepatitis B, hepatitis A incidence decreased, hepatitis B incidence increased. Gender distribution was more in males than females, with significant difference (χ2 = 2 090.3, P <0.01). Occupational distribution accounted for 36.08% of peasants, with age distribution of 5 to 9 years and 20 to 29 years old. Conclusions While doing a good job in preventing hepatitis A and B vaccination, prevention and control measures should be strengthened for key populations to reduce the incidence of viral hepatitis.