Hospital CostsPatient ReadmissionHealth Care CostsCosts and Cost AnalysisLength of StayEconomics, HospitalHospitals, TeachingPatient DischargeHospitals, UniversityCost of IllnessDrug CostsCost AllocationRetrospective StudiesCost ControlHospitalizationHospital ChargesHospitals, GeneralCost-Benefit AnalysisDiagnosis-Related GroupsHospitals, PediatricUnited StatesHospitals, UrbanHospital Bed CapacityCost SavingsHospital PlanningDirect Service CostsFinancial Management, HospitalPatient AdmissionHospital Bed Capacity, 500 and overNursing Staff, HospitalMedicareHospitals, PsychiatricEmergency Service, HospitalOutcome Assessment (Health Care)Time FactorsProspective StudiesHospitals, DistrictHospitals, SpecialQuality of Health CareInpatientsInsurance, Health, ReimbursementHospitals, PrivateModels, EconomicHealth ResourcesQuality Indicators, Health CareRisk FactorsHealth Services ResearchHospitalistsPostoperative ComplicationsCost SharingInsurance, HospitalizationHospitals, CommunityHospital DepartmentsAcademic Medical CentersIntensive Care UnitsCohort StudiesInfant, NewbornIntermediate Care FacilitiesFollow-Up StudiesHospital UnitsHospitalsHospital RecordsAmbulatory CareLevalbuterolEconomic CompetitionAccountingContinuity of Patient CareAncillary Services, HospitalAmbulatory Surgical ProceduresTreatment OutcomeCross InfectionBed OccupancyEquipment and Supplies, HospitalOutcome and Process Assessment (Health Care)OwnershipHospitals, ProprietaryMulti-Institutional SystemsDatabases, FactualHealth ExpendituresLogistic ModelsLibraries, HospitalRegression AnalysisMultivariate AnalysisCaliforniaOperating RoomsOutpatient Clinics, HospitalHealth Facility ClosureSurgery Department, HospitalHospitals, VeteransCritical PathwaysChi-Square DistributionHospitals, CountyEconomics, MedicalUtilization ReviewAge FactorsHospital MortalitySurgical Procedures, ElectiveRisk AssessmentHeart FailureIncidence