2. Jung KY, Kim JS, Kim Y. Problems in trauma care and preventable deaths. J Korean Soc Emerg Med 2001;12:45–56.
3. Kim H, Jung KY, Kim SP, Kim SH, Noh H, Jang HY, et al. Changes in preventable death rates and traumatic care systems in Korea. J Korean Soc Emerg Med 2012;23:189–97.
4. Kim Y, Jung KY, Cho KH, Kim H, Ahn HC, Oh SH, et al. Preventable trauma deaths rates and management errors in emergency medical system in Korea. J Korean Soc Emerg Med 2006;17:385–94.
5. Nathens AB, Jurkovich GJ, Maier RV, Grossman DC, MacKenzie EJ, Moore M, et al. Relationship between trauma center volume and outcomes. JAMA 2001;285:1164–71.
6. Groven S, Eken T, Skaga NO, Roise O, Naess PA, Gaarder C. Long-lasting performance improvement after formalization of a dedicated trauma service. J Trauma 2011;70:569–74.
7. MacKenzie EJ, Rivara FP, Jurkovich GJ, Nathens AB, Frey KP, Egleston BL, et al. A national evaluation of the effect of trauma-center care on mortality. N Engl J Med 2006;354:366–78.
8. Committee on Trauma; American College of Surgeons. Resources for optimal care of the injured patient 2014. Chicago (IL): American College of Surgeons; 2014.
9. Halm EA, Lee C, Chassin MR. Is volume related to outcome in health care? A systematic review and methodologic critique of the literature. Ann Intern Med 2002;137:511–20.
10. Jung K, Lee JC-J, Park RW, Yoon D, Jung S, Kim Y, et al. The best prediction model for trauma outcomes of the current Korean population: a comparative study of three injury severity scoring systems. Korean J Criti Care Med 2016;31:221–8.
11. Härtl R, Gerber LM, Iacono L, Ni Q, Lyons K, Ghajar J. Direct transport within an organized state trauma system reduces mortality in patients with severe traumatic brain injury. J Trauma 2006;60:1250–6; discussion 1256.
12. Sampalis JS, Denis R, Fréchette P, Brown R, Fleiszer D, Mulder D. Direct transport to tertiary trauma centers versus transfer from lower level facilities: impact on mortality and morbidity among patients with major trauma. J Trauma 1997;43:288–95; discussion 295-6.
13. Perdue PW, Watts DD, Kaufmann CR, Trask AL. Differences in mortality between elderly and younger adult trauma patients: geriatric status increases risk of delayed death. J Trauma 1998;45:805–10.
14. Kuhne CA, Ruchholtz S, Kaiser GM, Nast-Kolb D, Working Group on Multiple Trauma of the German Society of Trauma. Mortality in severely injured elderly trauma patients--when does age become a risk factor? World J Surg 2005;29:1476–82.
15. Yu B, Chung M, Lee G, Lee J. Mortality and morbidity in severely traumatized elderly patients. Korean J Criti Care Med 2014;29:88–92.
16. Henderson KI, Coats TJ, Hassan TB, Brohi K. Audit of time to emergency trauma laparotomy. Br J Surg 2000;87:472–6.
17. Lee DK, Lee KH, Cha KC, Park KH, Choi HJ, Kim H, et al. Effectiveness of simple trauma team activation criteria on prognosis of severe trauma patients. J Traum Inj 2009;22:71–6.
18. Shim H, Jang JY, Lee JG, Kim S, Kim MJ, Park YS, et al. Application of critical pathway in trauma patients. J Traum Inj 2012;2:159–65.
19. Norris R, Woods R, Harbrecht B, Fabian T, Rhodes M, Morris J, et al. TRISS unexpected survivors: an outdated standard? J Trauma 2002;52:229–34.
20. Park Y, Chung M, Lee GJ, Lee MA, Park JJ, Choi KK, et al. Characteristics of Korean trauma patients: a single-center analysis using the Korea trauma database. J Traum Inj 2016;29:155–60.