作者单位Department of Critical Care Medicine, Yantai Yuhuangding Hospital Affiliated to Qingdao University Medical College, Yantai, Shandong 264000,China[1]Emergency Department, Yangshuo People's Hospital, Yangshuo County, Guilin, Guangxi 541999, China[2]Emergency Department, Affiliated Hospital of Jining Medical University, Jining, Shandong 272000, China[3]