References
- Birkmeyer JD, Siewers AE, Finlayson EV, Stukel TA, Lucas FL, Batista I, et al. Hospital volume and surgical mortality in the United States. N Engl J Med 2002;346(15):1128-1137. DOI: http://dx.doi.org/10.1056/NEJMsa012337
- Kim MG, Kwon SJ. Comparison of the outcomes for laparoscopic gastrectomy performed by the same surgeon between a low-volume hospital and a high-volume center. Surg Endosc 2014;28(5):1563-1570. DOI: http://dx. doi.org/10.1007/s00464-013-3352-2
- Damle RN, Macomber CW, Flahive JM, Davids JS, Sweeney WB, Sturrock PR, et al. Surgeon volume and elective resection for colon cancer: an analysis of outcomes and use of laparoscopy. J Am Coll Surg 2014;218(6):1223-1230. DOI: http://dx.doi.org/10.1016/j.jamcollsurg.2014.01.057
- Luchtenborg M, Riaz SP, Coupland VH, Lim E, Jakobsen E, Krasnik M, et al. High procedure volume is strongly associated with improved survival after lung cancer surgery. J Clin Oncol 2013;31(25):3141-3146. DOI: http://dx.doi.org/10.1200/JCO.2013.49.0219
- Avritscher EB, Cooksley CD, Rolston KV, Swint JM, Delclos GL, Franzini L, et al. Serious postoperative infections following resection of common solid tumors: outcomes, costs, and impact of hospital surgical volume. Support Care Cancer 2014;22(2):527-535. DOI: http://dx.doi.org/10.1007/s00520-013-2006-1
- Shi HY, Wang SN, Lee KT. Temporal trends and volume-outcome associations in periampullary cancer patients: a propensity score-adjusted nationwide population-based study. Am J Surg 2014;207(4):512-519. DOI: http://dx.doi.org/10.1016/j.amjsurg.2013.06.019
- Chang CM, Yin WY, Wei CK, Lee CH, Lee CC. The combined effects of hospital and surgeon volume on short-term survival after hepatic resection in a population-based study. PLoS One 2014;9(1):e86444. DOI: http://dx.doi.org/10.1371/journal.pone.0086444
- Lee YJ. Differences of cancer patient's health care utilizations between medical aid program and national health insurance in the elderly. J Korea Contents Assoc 2011;11(5): 270-279. DOI: http://dx.doi.org/10.5392/jkca.2011.11.5.270
- Kim SY, Park JH, Kim SG, Woo HK, Park JH, Kim Y, et al. Disparities in utilization of high-volume hospitals for cancer surgery: results of a Korean population-based study. Ann Surg Oncol 2010;17(11):2806-2815. DOI: http://dx.doi.org/10.1245/s10434-010-1133-x
- Lin HC, Lee HC, Chu CH. The volume-outcome relationship of percutaneous coronary intervention: can current procedure volume minimums be applied to a developing country? Am Heart J 2008;155(3):547-552. DOI: http://dx.doi.org/10.1016/j.ahj.2007.10.029
- Lee BY. The relationship between surgical volume and mortality in acute hemorrhagic stroke [dissertation]. Seoul: Korea University; 2011.
- Kim YH, Her AY. Relationship between hospital volume and risk-adjusted mortality rate following percutaneous coronary intervention in Korea, 2003 to 2004. Anadolu Kardiyol Derg 2013;13(3):237-242. DOI: http://dx. doi.org/10.5152/akd.2013.070
- Kim YA. Impact of regional differences in cancer patients' residential and hospital areas on the survival rate [dissertation]. Seoul: Korea University; 2014.
- National Cancer Information Center. Cancer Mortality Rate, 2012. Goyang: National Cancer Information Center; 2014 [cited 2014 Jun 30]. Available from: http://www.cancer.go.kr/mbs/cancer/subview.jsp?id=cancer_040201000000.
- Finks JF, Osborne NH, Birkmeyer JD. Trends in hospital volume and operative mortality for high-risk surgery. N Engl J Med 2011;364(22):2128-2137. DOI: http://dx.doi.org/10.1056/NEJMsa1010705
- Doh SR, Chang YS, Sohn CK, Shin ES, Kim EJ, Chun JH. Year 2011 patients Survey. Seoul: Korea Institute of Health and Social Affair, Ministry of Health and Welfare; 2012.
- Charlson ME, Pompei P, Ales KL, MacKenzie CR. A new method of classifying prognostic comorbidity in longitudinal studies: development and validation. J Chronic Dis 1987;40(5):373-383. DOI: http://dx.doi.org/10.1016/0021-9681(87)90171-8
- Liu JH, Zingmond DS, McGory ML, SooHoo NF, Ettner SL, Brook RH, et al. Disparities in the utilization of high-volume hospitals for complex surgery. JAMA 2006;296(16):1973-1980. DOI: http://dx.doi.org/10.1001/jama.296.16.1973
- Riall TS, Eschbach KA, Townsend CM Jr, Nealon WH, Freeman JL, Goodwin JS. Trends and disparities in regionalization of pancreatic resection. J Gastrointest Surg 2007;11(10):1242-1251. DOI: http://dx.doi.org/10.1007/s11605-007-0245-5
- Youn KI. Comparisons of health care utilization patterns and outcome for National Health Insurance and Medical Aid Program cancer patients. J Health Inform Stat 2014;39(1):42-59.
- Ricciardi R, Roberts PL, Read TE, Hall JF, Marcello PW, Schoetz DJ. Which adverse events are associated with mortality and prolonged length of stay following colorectal surgery? J Gastrointest Surg 2013;17(8):1485-1493. DOI: http:dx.doi.org/10.1007/s11605-013-2224-3
- National Cancer Center. Cancer Control Program. Goyang: National Cancer Center; 2014 [cited 2014 Jun 30]. Available from: http://ncc.re.kr/manage/manage12_08.jsp.
- Shin DG, Lee CK, Lee SG, Kang JG, Sun YK, Park EC. Differences of medical costs by classifications of severity in patients of liver diseases. Health Policy Manag 2013;23(1):35-43. https://doi.org/10.4332/KJHPA.2013.23.1.035