Renal DialysisHemodialysis Units, HospitalCapital ExpendituresDithioerythritolKidney Failure, ChronicPeritoneal DialysisDialysisDialysis SolutionsPeritoneal Dialysis, Continuous AmbulatoryPeritonitisPeritoneumIntensive Care UnitsTime FactorsTreatment OutcomeCatheters, IndwellingRetrospective StudiesHemodialysis SolutionsUltrafiltrationProspective StudiesUrea