烟台市发热伴血小板减少综合征流行特征和危险因素分析

Epidemiological features and risk factors for severe fever with thrombocytopenia syndrome in Yantai, China

目的分析烟台市发热伴血小板减少综合征(SFTS)流行病学特征,并探讨该病的危险因素,为该市乃至全国SFTS防治工作提供依据。方法对2011年全市SFTS病例进行统计分析,并选取30例病例以1∶3比例开展病例对照研究,进行SFTS的危险因素调查,应用χ2检验进行分析。结果 2011年烟台市SFTS发病以夏秋季为主,职业分布以农民为主;与病例1∶3匹配研究的结果表明,病例组与对照组中犬类饲养方式差异有统计学意义,病例组山坡田地中进行作业的比例明显高于对照组,120名调查对象中仅7名采取了一定形式的防护措施,职业、工作和生活所处环境以及与动物的接触等可能是该病的危险因素。结论在SFTS病例诊断中,应将患者工作环境、职业及动物接触等作为参考依据,重点加强居民职业防护意识。

Objective To analyze the epidemiological features and risk factors for severe fever with thrombocytopenia syndrome （SFTS） in Yantai, China and to provide a basis for the prevention and control of SFTS in Yantai and even the rest of China. Methods Analyzed the epidemiological features of SFTS and thirty SFTS cases and healthy controls （n= 90） were selected from Yantai for investigation of related factors, and statistical analysis was performed by chi-square rest. Results A total of 30 SFTS cases were collected from Yantai during 2011, and the farmers were the main group. The dog feeding way showed significant difference between cases and controls; the proportion of individuals who worked in the hillside field was significantly higher in cases than in controls. Among the 120 respondents, only 7 took certain forms of protective measures. Occupation, working and living conditions, and contact with animals were possible risk factors for this disease. Conclusion The working environment, occupation, and contact with animals should be considered as a reference in the diagnosis of SFTS cases, and the residents＇ awareness of occupational protection should be strengthened.