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This leads to a low degree of satisfaction of the whole patients. The aim of this study is to improve the patients\u2019 satisfaction by designing new queuing strategies for CT examination. We divide the EPs into urgent type and emergency type and then design two queuing strategies: one is that the urgent patients (UPs) wedge into the GPs\u2019 queue with fixed interval (fixed priority model) and the other is that the patients have dynamic priorities for queuing (dynamic priority model). Based on the data from Radiology Information Database (RID) of West China Hospital (WCH), we develop some discrete event simulation models for CT examination according to the designed strategies. We compare the performance of different strategies on the basis of the simulation results. The strategy that patients have dynamic priorities for queuing makes the waiting time of GPs decrease by 13 minutes and the degree of satisfaction increase by 40.6%. We design a more reasonable CT examination queuing strategy to decrease patients\u2019 waiting time and increase their satisfaction degrees.<\/jats:p>","DOI":"10.1155\/2016\/2731675","type":"journal-article","created":{"date-parts":[[2016,7,29]],"date-time":"2016-07-29T08:13:26Z","timestamp":1469780006000},"page":"1-10","source":"Crossref","is-referenced-by-count":4,"title":["Discrete Event Simulation Models for CT Examination Queuing in West China Hospital"],"prefix":"10.1155","volume":"2016","author":[{"given":"Li","family":"Luo","sequence":"first","affiliation":[{"name":"Business School, Sichuan University, Chengdu 610065, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0658-2246","authenticated-orcid":true,"given":"Hangjiang","family":"Liu","sequence":"additional","affiliation":[{"name":"Business School, Sichuan University, Chengdu 610065, 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