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Longitudinal analysis of market factors associated with provision of peritoneal dialysis services.

Wang V, Lee SY, Patel UD, Maciejewski ML, Ricketts TC. Longitudinal analysis of market factors associated with provision of peritoneal dialysis services. Medical care research and review : MCRR. 2011 Oct 1; 68(5):537-58.

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Despite the appeal of peritoneal dialysis (PD) among patients, payers, and providers, its use in the United States has been limited and declining. Prior research has found that patient factors explain little variation in PD utilization, and little is known about the contribution of dialysis facility factors. The authors examined market factors associated with the provision of PD services in dialysis facilities between 1995 and 2003. Less than half of dialysis facilities offered PD. PD provision was not explained by disease trends or patient characteristics commonly associated with PD use. Facilities were more likely to offer PD in less competitive and less spatially concentrated markets. PD services may not be available to all patients who would benefit from it and there may be insufficient demand, economics of scale, or incentives for facilities to provide PD. These findings warrant further investigation on dialysis facilities'' provision of a preferred, potentially beneficial, and cost-effective therapy.

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