Renal DialysisHemodialysis Units, HospitalCapital ExpendituresDithioerythritolKidney Failure, ChronicPeritoneal DialysisDialysisDialysis SolutionsPeritoneal Dialysis, Continuous AmbulatoryProgram EvaluationProgram DevelopmentPeritonitisPeritoneumUnited StatesGovernment ProgramsTime FactorsTreatment OutcomeCatheters, IndwellingHemodialysis SolutionsRetrospective StudiesNational Health ProgramsUltrafiltrationRisk FactorsProspective StudiesNephrologyFollow-Up StudiesUrea