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Choosing dialysis modality in patients aged 75 and above with end-stage kidney disease: a multicenter cohort study
Yaohua Hu1, Xueyan Zhu2, Yingying Liu3
1Department of Nephrology, The Second Hospital of Jilin University, No. 4026 Yatai Street, Changchun, 130041, Jilin Province, China.
Abstract:
End-stage kidney disease (ESKD) is a growing health issue, especially among the very elderly. The optimal dialysis method for very elderly patients with ESKD remains uncertain, and there is a lack of evidence regarding the survival benefits of hemodialysis (HD) versus peritoneal dialysis (PD). This study is a multicenter cohort investigation that included 234 very elderly patients aged 75 years and older with ESKD who received HD or PD across six hospitals in China from January 2013 to December 2020. We employed Propensity Score Matching (PSM) to minimize the influence of confounding factors. Survival analyses were conducted using Kaplan-Meier curves, log-rank tests, and multivariable Cox proportional hazards regression models for the matched cohorts. In the multicenter cohort study with 234 very elderly ESKD patients, PSM was employed, with each group consisting of 56 participants, averaging 79.76 ± 4.15 years in age and having a male composition of 47.44%. Kaplan-Meier survival analysis indicated with no significant difference in survival rates (log-rank p = 0.123). Further analysis, excluding participants with less than 3 months of survival, also showed no significant differences. Cox regression with multiple variables indicated a HR of 0.73 (95% CI: 0.49, 1.10) for HD versus PD, with a p-value of 0.132. This investigation did not demonstrate a statistically significant difference in survival between PD and HD among very elderly patients with ESKD.
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