Author(s): Villar E, Remontet L, Labeeuw M, Ecochard R
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Abstract Life expectancy is short in elderly individuals with end-stage renal failure (ESRF). This study aimed to compare mortality in patients with ESRF versus the general population (GP) to assess the evolution of excess mortality by age, gender, nephropathy, and dialysis modality after first dialysis. All incident adult dialysis patients from January 1,1999, to December 31, 2003, who lived in Rhône-Alpes Region (France) were included and followed up to death or December 31, 2005. Standardized mortality ratios (SMR) in comparison with GP were computed in the first to the fifth years after first dialysis. In the whole cohort (3025 incident patients), SMR decreased during these 5 yr from 7.4 to 5.2 (P = 0.002). In the 18- to 44-, 45- to 64-, 65- to 74-, 75- to 84-, and > or =85-yr-old groups, SMR decreased from 26.7 to 6.2 (P = 0.01), from 12.8 to 8.1 (P = 0.03), from 8.6 to 5.6 (P = 0.051), from 7.1 to 4.5 (P = 0.02), and from 3.5 to 1.2 (P = 0.14), respectively. Among age categories, differences were significant in the first 3 yr (P < 0.05). SMR were higher 1.5-fold in women than in men in the first 4 yr (P < 0.05). In patients with diabetic nephropathy (DN), SMR increased during the first 3 yr (P = 0.045) and were higher than in patients without DN in the second, third, and fourth years (P < 0.05). SMR were higher in the peritoneal dialysis than in the hemodialysis group in the fourth year (P < 0.01). Patients with ESRF have a high excess mortality compared with the GP. Older patients with ESRF experienced less excess mortality. ESRF cancels out women's survival advantage noted in the GP. SMR evolution in patients with DN was different from that in patients without DN.
This article was published in J Am Soc Nephrol
and referenced in Journal of Nephrology & Therapeutics