Acute Kidney InjuryRenal InsufficiencyAdrenal InsufficiencyRenal Insufficiency, ChronicCreatinineKidney Failure, ChronicVenous InsufficiencyExocrine Pancreatic InsufficiencyPlacental InsufficiencyGlomerular Filtration RateKidney DiseasesHepatic InsufficiencyKidneyKidney Function TestsRisk FactorsRetrospective StudiesProteinuriaTreatment OutcomeRenal DialysisPrimary Ovarian InsufficiencyTime FactorsUremiaFollow-Up StudiesProspective StudiesCentral Nervous System Diseases