Journal of the Chinese Medical Association : JCMA · 2011
High-surgical-volume hospitals associated with better quality and lower cost of kidney transplantation in Taiwan.
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Tsao Shu-Yun, Lee Wui-Chiang, Loong Che-Chuan, Chen Tzeng-Ji, Chiu Jen-Hwey, Tai Ling-Chen
Аннотация
BACKGROUND: Only a small proportion of patients with end-stage renal disease can receive kidney transplants because of insufficiency of kidney donors in Taiwan. Hospitals compete with each other for kidney transplant surgeries. This study examined the association between hospital surgical volume of kidney transplants and patients' outcomes and utilizations.
METHODS: Claims data of all kidney transplants between 1996 and 2003 were retrieved from the National Health Insurance Research Database for analysis. Every kidney recipient was followed up for 3 years until the end of 2006. Hospitals were classified as high-surgical-volume hospitals (HSVHs) if their total number of kidney transplants was 72 or more between 1996 and 2003; otherwise, they were grouped into the low-surgical-volume hospitals (LSVHs). The differences in quality (infection rate, graft rejection rate, readmission rate, mortality, and survival rates of patients and transplanted grafts at 1, 2, and 3 years after surgery) and cost (length of stay, total transplant cost, and annual medical cost for 3 years) of kidney transplants were examined between the two groups.
RESULTS: Totally, 1,060 kidney transplants were analyzed, 77% of which were conducted at 6 of 29 qualified hospitals. Compared with those performed at LSVHs, transplant surgeries at HSVHs were associated with lower bacteria (35.1% vs. 48.8%, p<0.001), fungus (0.2% vs. 1.3%, p=0.008), and cytomegalovirus (1.2% vs. 4.6%, p=0.003) infection; lower mortality (1.1% vs. 5.0%, p<0.001); and higher 1-, 2-, and 3-year survival rates for patients (96.3%, 94.1%, 93.5% vs. 91.2%, 87.1%, 85.4%, respectively, p<0.01) and for transplanted grafts (89.5%, 81.0%, 80.5% vs. 85.8%, 74.6%, 73.3%, respectively, p<0.015). The transplant cost was lower for HSVHs than for LSVHs (New Taiwan $221,977 vs. New Taiwan $257,992, p=0.018).
CONCLUSION: Seventy-seven percent of kidney transplant surgeries were concentrated at six hospitals in Taiwan. There were significant differences in quality and cost between HSVHs and LSVHs. We suggest adopting volume-based strategies for nonurgent kidney transplants.
METHODS: Claims data of all kidney transplants between 1996 and 2003 were retrieved from the National Health Insurance Research Database for analysis. Every kidney recipient was followed up for 3 years until the end of 2006. Hospitals were classified as high-surgical-volume hospitals (HSVHs) if their total number of kidney transplants was 72 or more between 1996 and 2003; otherwise, they were grouped into the low-surgical-volume hospitals (LSVHs). The differences in quality (infection rate, graft rejection rate, readmission rate, mortality, and survival rates of patients and transplanted grafts at 1, 2, and 3 years after surgery) and cost (length of stay, total transplant cost, and annual medical cost for 3 years) of kidney transplants were examined between the two groups.
RESULTS: Totally, 1,060 kidney transplants were analyzed, 77% of which were conducted at 6 of 29 qualified hospitals. Compared with those performed at LSVHs, transplant surgeries at HSVHs were associated with lower bacteria (35.1% vs. 48.8%, p<0.001), fungus (0.2% vs. 1.3%, p=0.008), and cytomegalovirus (1.2% vs. 4.6%, p=0.003) infection; lower mortality (1.1% vs. 5.0%, p<0.001); and higher 1-, 2-, and 3-year survival rates for patients (96.3%, 94.1%, 93.5% vs. 91.2%, 87.1%, 85.4%, respectively, p<0.01) and for transplanted grafts (89.5%, 81.0%, 80.5% vs. 85.8%, 74.6%, 73.3%, respectively, p<0.015). The transplant cost was lower for HSVHs than for LSVHs (New Taiwan $221,977 vs. New Taiwan $257,992, p=0.018).
CONCLUSION: Seventy-seven percent of kidney transplant surgeries were concentrated at six hospitals in Taiwan. There were significant differences in quality and cost between HSVHs and LSVHs. We suggest adopting volume-based strategies for nonurgent kidney transplants.