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Global comparisons of gross national income (GNI) per capita, prevalence of kidney replacement therapy (KRT) per million population (PMP), relative use of peritoneal dialysis (PD), and frequency of central vein catheter (CVC) use among prevalent patients receiving hemodialysis. Whereas higher KRT correlates roughly with GNI per capita, PD and CVC use have poor correlations with GNI per capita. *not reported.
