Correlations between gender, age and the risk of withdrawal from peritoneal dialysis

Abstract

Background With the increasing incidence of end stage renal disease(ESRD),peritoneal dialysis(PD) has become the preferred method of kidney replacement therapy for an increasing number of patients with end stage renal disease due to its many advantages.The intent of this study was to explore the correlations between sex, age and risk of withdrawal from peritoneal dialysis.Methods All patients who underwent PD catheterization and initiated PD at Wuhan No.1 Hospital between 2013 and 2018 were screened.Clinical information of these patients was collected and compared according to gender and age,then was applied to the Cox proportional hazards model to determine the impact of factors of withdrawal from peritoneal dialysis.Results ①Hazard ratios(HRs) of withdrawal of PD associate with gender and age at initiation were 0.736(P = 0.289)、1.151༈P = 0.489༉respectively.Nonetheless,male patients under 60 years old had a 1.58-fold higher risk of withdrawal than others(HR 0.63,P = 0.031).②The withdrawal risk of patients with total Creatinine clearance rate (Ccr) above 60L/W was 82.4% higher than that of patients who did not meet the standard (HR 1.82,P = 0.005).③The withdrawal risk of patients with high D/P Creatinine༈Cr༉value which was calculated from peritoneal equilibration test(PET) were 2.06 times higher than low-average and high-average transport patients(HR2.06,P = 0.008).④Patients with serum albumin above 35 g/L were intended to withdraw from PD than those below 35 g/L (HR 0.56,P = 0.006).Conclusions There were significant differences in total KT/V, total Ccr,serum creatinine(Scr) and blood Urea nitrogen(BUN)among patients with PD of different gender and age.The analysis showed that male patients under 60 years old, Ccr, value of D/Pcr and serum albumin had a high correlation with the technical survival rates.While gender or age at PD initiation were not associated with technique survival,male patients under 60 years old had a 1.58-fold higher risk of withdrawal from PD than others.The outcome that the withdrawal risk of patients with Ccr above 60L/W was 82.4% higher than other patients who did not meet the standard suggested that Ccr was not suitable as an index for evaluating the adequacy of PD,especially for men under 60 years old.And patients with high D/Pcr value or with serum albumin under 35 g/L were related risk factors for technique survival.