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我们采用作业流程重组原理对慢性胆囊炎伴胆石症患者住院流程进行研究，现将研究结果报道。资料与方法（一）样本选择：选择北京某三级综合医院１９９７年慢性胆囊炎伴胆石症行腹腔镜切除术病人的住院病历为资料来源，以住院天数为因变量，年龄、性别、诊断、费用、疗效为自变
We adopted the principle of workflow reorganization to study the hospitalization process of patients with chronic cholecystitis associated with cholelithiasis. The results of the study are now reported. Materials and Methods (1) Sample selection: Inpatient history of patients undergoing laparoscopic cholecystectomy for chronic cholecystitis associated with cholelithiasis at a tertiary general hospital in Beijing was selected as the data source. The number of hospitalization days was used as the dependent variable, age, gender, and diagnosis. Cost, efficacy for self-change