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目的了解2006-2015年内江市不同类型乙型病毒性肝炎(简称乙肝)的流行特征及趋势。方法采用描述流行病学方法对内江市2006-2015年报告的乙肝疫情的发病时间、地区、人群分布等特征进行分析。结果 2006-2015年内江市累计报告乙肝病例28 150例,年平均发病率为71.22/10万,其中急性1 670例、慢性14 849例、未分类11 631例,急慢性发病率分别为4.23/10万和37.57/10万,差异有统计学意义(χ~2=10 516.52,P<0.01),均呈逐年下降趋势;20~29岁年龄组高发,且男性发病率高于女性,职业以农民为主(占58.50%);发病无明显季节性。结论内江市在预防新发急性乙肝方面成效显著,慢性乙肝发病率也呈下降趋势,但较急性仍较高。慢性乙肝防控形势依然严峻,建议今后加强慢性乙肝防治管理。
Objective To understand the epidemiological characteristics and trends of different types of hepatitis B virus (Nephropathy B) in Neijiang City from 2006 to 2015. Methods Descriptive epidemiological methods were used to analyze the incidence, area and distribution of hepatitis B in Hejiang River from 2006 to 2015. Results A total of 28 150 cases of hepatitis B were reported in Neijiang City from 2006 to 2015, with an average annual incidence of 71.22 / 100 000, of which 1 670 cases were acute and 14 849 were chronic, 11 631 cases were unclassified and the acute and chronic diseases were 4.23 / (Χ ~ 2 = 10 516.52, P <0.01), which showed a trend of declining year by year. In the 20-29 age group, the incidence was higher and the incidence of male was higher than that of female Farmers (58.50%); no obvious seasonal disease. Conclusion Neijiang City in the prevention of new onset of acute hepatitis A significant effect, the incidence of chronic hepatitis B also showed a downward trend, but the acute is still high. Chronic hepatitis B prevention and control situation is still grim, suggesting that in the future to strengthen the prevention and treatment of chronic hepatitis B management.