• L Ba, M Zhang, L Su, Z Cheng, and Y Xu.
• Department of Emergency Medicine, Second Affiliated Hospital Zhejiang University School of Medicine, Hangzhou, 310009, Zhejiang, People's Republic of China.
• Eur J Trauma Emerg Surg. 2016 Feb 1; 42 (1): 47-53.

BackgroundThe mortality/morbidity of patients can be used to evaluate the quality of a trauma care, which can be influenced by incidence of discharge against medical advice (DAMA).ObjectiveThis study was to investigate annual changes of mortality/morbidity and DAMA of trauma patients in one Chinese Intensive Care Unit (ICU) in 9 years.MethodsA retrospective analysis of data [age, Injury Severity Score (ISS), Acute Physiology and Chronic Health Evaluation II (APACHE II), Glasgow Coma Scale (GCS), mortality rate, and DAMA] was performed with trauma patients admitted in the emergency ICU of the Second Affiliated Hospital of Zhejiang University from 2003 to 2011.ResultsThe rate of total mortality (in-hospital death and dying at discharge) was 6.9 % and the rate of DAMA (deterioration at discharge and improvement at discharge) was 6.6 %. The mortality rate was significantly decreased from 11.1 to 4.6 %, and the rate of deterioration at discharge was increased from 2.8 to 6.4 %. Among the three periods (2003-2005, 2006-2008, and 2009-2011), the age and APACHE II score of patients in total death, deterioration at discharge, and death plus deterioration at discharge groups were highest in the period 2009-2011, whereas the GCS was statistically lower in all groups except in the deterioration at discharge group.ConclusionThe medical quality of trauma care has been improved through gradual improvement of instruments and trained medical staffs. The rate of deterioration at discharge was increased, especially in elder patient group. The DAMA had a significant impact on the accurate assessment of trauma care, which should be paid more attention on its potential roles in the future.

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