Epidemiologic trends in chronic renal replacement therapy over forty years: a Swiss dialysis experience.

BMC Nephrol · 2012 · PMC3464796 · PMID 22747751

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a clear trendno p-value reported

However, corresponding drops in the 3- and 5-year survival in the last quartile of the cohort are indicative of a clear trend to lower survival in most recent years, which is not influenced by methodological factors.

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