RT Journal Article T1 Baseline Residual Kidney Function and Its Ensuing Rate of Decline Interact to Predict Mortality of Peritoneal Dialysis Patients A1 Perez Fontan, Miguel A1 Remon Rodriguez, Cesar A1 da Cunha Naveira, Marta A1 Borras Sans, Merce A1 Rodriguez Suarez, Carmen A1 Quiros Ganga, Pedro A1 Sanchez Alvarez, Emilio A1 Rodriguez-Carmona, Ana K1 Renal-function K1 Risk-factors K1 Adequacy K1 Clearance K1 Survival K1 Trial K1 Death AB BackgroundBaseline residual kidney function (RKF) and its rate of decline during follow-up are purported to be reliable outcome predictors of patients undergoing Peritoneal Dialysis (PD). The independent contribution of each of these factors has not been elucidated.MethodWe report a multicenter, longitudinal study of 493 patients incident on PD and satisfying two conditions: a glomerular filtration rate (GFR) >= 1 mL/minute and a daily diuresis >= 300 mL. The main variables were the GFR (mean of urea and creatinine clearances) at PD inception and the GFR rate of decline during follow-up. The main outcome variable was patient mortality. The secondary outcome variables were: PD technique failure and risk of peritoneal infection. The statistical analysis was based on a multivariate approach, placing an emphasis on the interactions between the two main study variables.Main ResultsBaseline GFR and its rate of decline performed well as independent predictors of both patient mortality and risk of peritoneal infection. These two main study variables maintained a moderate correlation with each other (r(2) = 0.12, p= 1 mL/minute and a daily diuresis >= 300 mL. The main variables were the GFR (mean of urea and creatinine clearances) at PD inception and the GFR rate of decline during follow-up. The main outcome variable was patient mortality. The secondary outcome variables were: PD technique failure and risk of peritoneal infection. The statistical analysis was based on a multivariate approach, placing an emphasis on the interactions between the two main study variables.Main ResultsBaseline GFR and its rate of decline performed well as independent predictors of both patient mortality and risk of peritoneal infection. These two main study variables maintained a moderate correlation with each other (r(2) = 0.12, p= 300 mL. The main variables were the GFR (mean of urea and creatinine clearances) at PD inception and the GFR rate of decline during follow-up. The main outcome variable was patient mortality. The secondary outcome variables were: PD technique failure and risk of peritoneal infection. The statistical analysis was based on a multivariate approach, placing an emphasis on the interactions between the two main study variables.Main ResultsBaseline GFR and its rate of decline performed well as independent predictors of both patient mortality and risk of peritoneal infection. These two main study variables maintained a moderate correlation with each other (r(2) = 0.12, p PB Public library science SN 1932-6203 YR 2016 FD 2016-07-08 LK http://hdl.handle.net/10668/19150 UL http://hdl.handle.net/10668/19150 LA en DS RISalud RD Apr 17, 2025