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目的分析莘县2011~2016年乙肝发病流行病学特征,为制定乙肝防控策略提供科学依据。方法乙肝发病数据来源于中国疾病预防控制信息系统。人口数据来源于莘县统计局年鉴和免疫规划系统年报。采用描述流行病学方法进行分析。结果 2011~2016年莘县共报告乙肝病例3 461例,年均报告发病率为55.86/10万。发病数最多的乡镇为樱桃园镇(245例)、古云镇(237例)和朝城镇(201例)。发病集中在20~64岁人群,发病率最高的是55~64岁(92.73/10万),居第2位的是25~29岁(81.69/10万),15岁以下儿童发病最低(1.64/10万);整体人群发病男性(63.09/10万)高于女性(48.15/10万),20~29岁年龄组女性发病率(98.95/10万)明显高于男性(65.59/10万),35岁以上人群男性发病率(90.00/10万)高于女性(43.83/10万)。职业分布主要以农民为主(发病数占86.25%,发病率64.06/10万)。结论莘县近6年乙肝发病水平呈持续上升态势,20~64岁的农民为莘县乙肝发病重点人群。
Objective To analyze the epidemiological characteristics of hepatitis B in Xinxian county from 2011 to 2016 and provide a scientific basis for the development of hepatitis B prevention and control strategy. Methods Hepatitis B data from China Disease Prevention and Control Information System. Population data come from Xinxian Bureau of Statistics annual report and immunization planning system annual report. Descriptive epidemiological methods were used for analysis. Results A total of 3 461 hepatitis B cases were reported in Xinxian County from 2011 to 2016, with an average annual incidence of 55.86 / 100 000. The townships with the most incidences were Cherry Garden (245 cases), Guyun (237 cases) and Chao-Cheng (201 cases). The incidence was concentrated in people aged 20-64, the highest incidence was 55-64 (92.73 / 100,000), the second was 25-29 (81.69 / 100,000), the lowest was in children under 15 (1.64 / 100,000). The overall incidence of males (63.09 per 100,000) was higher than that of females (48.15 per 100,000). The incidence of females in the age group of 20-29 was 98.95 per 100,000, significantly higher than that of males (65.59 per 100,000) The incidence of males in the population over 35 years old was higher than that of females (90.00 / 100000) (43.83 / 100000). Occupation is mainly dominated by peasants (incidence of 86.25%, the incidence rate of 64.06 / 100000). Conclusion Shenxian County in recent 6 years the incidence of hepatitis B continued to rise, 20 to 64-year-old farmer Shenxian hepatitis B incidence of key populations.