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Elderly peritoneal dialysis compared with elderly hemodialysis patients and younger peritoneal dialysis patients: Competing risk analysis of a Korean prospective cohort study

Authors
Kim, H.An, J.N.Kim, D.K.Kim, M.-H.Kim, H.Kim, Y.-L.Park, K.S.Oh, Y.K.Lim, C.S.Kim, Y.S.Lee, J.P.Do, J.Y.Song, S.H.Kim, S.E.Kim, S.H.Kim, Y.H.Lee, J.S.Jin, H.J.Chang, J.H.Yoo, T.H.Park, J.T.Oh, H.J.Park, H.C.Chang, T.I.Ryu, D.R.Oh, D.J.Chang, Y.S.Kim, Y.O.Kim, S.H.Jin, D.C.Kim, Y.K.Kim, H.Y.Kim, W.Lee, K.W.Lee, C.S.
Issue Date
Jun-2015
Publisher
Public Library of Science
Citation
PLoS ONE, v.10, no.6
Journal Title
PLoS ONE
Volume
10
Number
6
URI
https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/79334
DOI
10.1371/journal.pone.0131393
ISSN
1932-6203
Abstract
The outcomes of peritoneal dialysis (PD) in elderly patients have not been thoroughly investigated. We aimed to investigate the clinical outcomes and risk factors associated with PD in elderly patients. We conducted a prospective observational nationwide adult end-stage renal disease (ESRD) cohort study in Korea from August 2008 to March 2013. Among incident patients (n = 830), patient and technical survival rate, quality of life, and Beck's Depression Inventory (BDI) scores of elderly PD patients (≥65 years, n = 95) were compared with those of PD patients aged ≤49 years (n = 205) and 50∼64 years (n = 192); and elderly hemodialysis (HD) patients (n = 315). The patient death and technical failure were analyzed by cumulative incidence function. Competing risk regressions were used to assess the risk factors for survival. The patient survival rate of elderly PD patients was inferior to that of younger PD patients (P<0.001). However, the technical survival rate was similar (P = 0.097). Compared with elderly HD patients, the patient survival rate did not differ according to dialysis modality (P = 0.987). Elderly PD patients showed significant improvement in the BDI scores, as compared with the PD patients aged ≤49 years (P = 0.003). Low albumin, diabetes and low residual renal function were significant risk factors for the PD patient survival; and peritonitis was a significant risk factor for technical survival. Furthermore, low albumin and hospitalization were significant risk factors of patient survival among the elderly. The overall outcomes were similar between elderly PD and HD patients. PD showed the benefit in BDI and quality of life in the elderly. Additionally, the technical survival rate of elderly PD patients was similar to that of younger PD patients. Taken together, PD may be a comparable modality for elderly ESRD patients. © 2015 Kim et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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