• Chun Yu Lai, Marc Maegele, Janice Hiu Hung Yeung, Rolf Lefering, Kei Ching Kevin Hung, Po Shan Lily Chan, Ming Leung, Hay Tai Wong, John Kit Shing Wong, Colin Alexander Graham, Chi Hung Cheng, and Nai Kwong Cheung.
• Accident and Emergency Department, Prince of Wales Hospital, 30-32 Ngan Shing Street, Shatin, The New Territories, Hong Kong.
• Eur J Trauma Emerg Surg. 2021 Oct 1; 47 (5): 1581-1590.

BackgroundTrauma remains a leading cause of death and effective trauma management within a well-developed trauma system has been shown to reduce morbidity and mortality. A trauma registry, as an integral part of a mature trauma system, can be used to monitor the quality of trauma care and to provide a means to compare local versus international standards. Hong Kong and Germany both have highly developed health care services. We compared the performance of trauma systems including outcomes among major trauma victims (ISS > 15) over a 3-year period (2013-2015) in both settings using trauma registry data.MethodsThis study was a retrospective analysis of prospectively collected data from trauma registries in Hong Kong and Germany. Data from 01/2013 to 12/2015 were extracted from the trauma registries of the five trauma centers in Hong Kong and the TraumaRegister DGU® (TR-DGU). The study cohort included adults (≥ 18 years) with major trauma (ISS > 15). Data related to patient characteristics, nature of the injury, prognostic parameters to calculate the RISC II score, outcomes and clinical management were collected and compared.ResultsDatasets from 1,864 Hong Kong and 10,952 German trauma victims were retrieved from respective trauma registries. The unadjusted mortality in Hong Kong (22.4%) was higher compared to Germany (19.2%); the difference between observed and expected mortality was higher in Hong Kong (+ 2.7%) than in Germany (- 0.5%). The standardized mortality ratio (SMR) in Hong Kong and Germany were 1.138 (95% CI 1.033-1.252) and 0.974 (95% CI 0.933-1.016), respectively, and the adjusted death rate in Hong Kong was significantly higher compared to the calculated RISC II data. However, patients in Hong Kong were significantly older, had more pre-trauma co-morbidities, more head injuries, shorter hospital and ICU stays and lower ICU admission rates.ConclusionHong Kong had a higher mortality rate and a statistically significantly higher standardized mortality ratio (SMR) after RISC II adjustment. However, multiple differences existed between trauma systems and patient characteristics.© 2020. Springer-Verlag GmbH Germany, part of Springer Nature.

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