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安全问题一直是医疗服务行业面临的重要问题,而医院获得性感染(healthcare-associated infections,HAI)在医疗安全问题中占据重要部分~([1])。HAI的发生是导致患者死亡和额外医疗费用的重要原因~([2])。研究~([3])显示,15%的患者住院期间可能遭受感染,2011年美国共发生721800例HAI病例,其中5种最常见的HAI为中心静脉导管相关性血行感染(cen-
Security has always been an important issue facing the healthcare industry, and healthcare-associated infections (HAIs) are an important part of healthcare security (1). The occurrence of HAI is a major cause of death and additional medical costs in patients (2). Study ~ ([3]) showed that 15% of patients may be infected during hospitalization. In 2011, there were a total of 721 800 cases of HAI cases in the United States. The five most common HAIs were central venous catheter-