The outcome of medical treatment in the intensive care unit (ICU) is a representative medical capability for hospital.Unscheduled readmission is regarded as an important indicator of quality in ICU.

• 摘要加护病房的医疗成效经常代表著该医院的医疗能力，而加护病房的非计划性重返事件，被视为是一项重要的品质指标，不仅代表著该加护病房的医护水准，也是医疗资源分配的凭据之一。