2009年北京某医院甲型H1N1流感患者流行病学特征分析  

Epidemiologic characteristic of patients with 2009 pandemic influenza A(H1N1) in a hospital in beijing

作　　者：刘运喜[1] 索继江[1] 邢玉斌[1] 贾宁[1] 高岩[1] 杜明梅[1] 谢丽君[1] 邓春燕[1] 任世旺[1] 王宏伟[2] 

机构地区：[1]解放军总医院感染管理与疾病控制科,北京100853 [2]中国劳动关系学院安全工程系,北京100048

出　　处：《中华医院感染学杂志》2011年第19期3996-3998,共3页Chinese Journal of Nosocomiology

基　　金：国家自然科学基金项目(30872155);国家科技重大专项"传染病监测技术平台"项目(2009ZX10004-204)

摘　　要：目的对北京某医院2009年收治的甲型H1N1流感患者流行病学特征进行分析和总结。方法收集该院2009年5-12月甲型H1N1流感患者的年龄、性别、职业等基本情况,采用SPSS13.0软件进行分析。结果该院2009年共收治甲型H1N1流感患者1254例;10~15岁年龄组所占比例均为最高,男、女分别为31.1%和24.1%,而婴幼儿和老人所占比例均较低;学生比例,占55.9%,男性占60.4%,女性占47.2%;发病多集中在9-11月,发病高峰在9月中下旬;75例重症病例的平均年龄为38.0岁,显著高于非重症患者的23.0岁（P〈0.01）;成年重症患者平均体重指数为24.5,并且女性高于男性（P〈0.01）;重症患者75例,有3例死亡;而重症患者的发病高峰在12月上旬。结论甲型H1N1流感以青少年比例居多,学生占55.9%,流行高峰从秋季9月份开始;年龄增加、超重和肥胖及寒冷可能是导致甲型H1N1流感患者病情加重的原因。OBJECTIVE To analyze and summarize the epidemiologic characteristic of patients with 2009 pandemic influenza A（H1N1） in a hospital in Beijing in 2009.METHODS Basic information including age,gender,occupation and et al were collected in patients with influenza A（H1N1） from May to Dec in 2009.SPSS was used to analyze the data.RESULTS A total of 1254 patients with influenza A（H1N1） including 75 critical cases and 3 death were collected.It was found that patients with 10-15 ages were dominant in men and women,with proportion of 31.1% and 24.1%,respectively.Meanwhile,infant and elders were few in patents.55.9% of patients were students,with proportion of 60.4% and 47.2% in men and women,respectively.Influenza A（H1N1） mostly occurred from Sep to Dec with a peak occurrence in late September.In addition,we found critically ill patients were significantly older than normal patients（P0.01）,mean ages of which were 38.0 and 23.0,respectively.The mean BMI（Body mass index） of adult critically ill patients was 24.5 kg/m2.And mean BMI of women（25.6 kg/m2） was higher than that of men（23.7）（P0.01）.Critically ill patients had a peak occurrence in early Dec.CONCLUSION Influenza A（H1N1） prefers to infected young individuals or students with a peak occurrence in Sep.Increased ages,overweight and obesity,cold might be risk factors of critical patients with influenza A（H1N1）.

关 键 词：甲型H1N1流感 流行病学 重症病例 

分 类 号：R181.32[医药卫生—流行病学]