Outpatient Clinics, HospitalHospital CostsAmbulatory CareCosts and Cost AnalysisHealth Care CostsEconomics, HospitalLength of StayCost AllocationHospital ChargesHospitals, UniversityCost ControlCost of IllnessHospitals, TeachingDrug CostsCost-Benefit AnalysisHospitalizationDiagnosis-Related GroupsRetrospective StudiesHospital Bed CapacityHospital Bed Capacity, 500 and overCost SavingsHospital PlanningInsurance, Health, ReimbursementUnited StatesHospitals, UrbanDirect Service CostsHospitals, GeneralFinancial Management, HospitalModels, EconomicInsurance, HospitalizationAmbulatory Surgical ProceduresProspective StudiesMedicareIntermediate Care FacilitiesHospitals, ProprietaryInpatientsNursing Staff, HospitalPatient AdmissionHospitalistsAccountingHospitals, PediatricPatient ReadmissionTime FactorsHospitals, DistrictHospitals, SpecialAncillary Services, HospitalEconomic CompetitionCritical PathwaysHealth ResourcesRecovery RoomOperating RoomsEmergency Service, HospitalPatient DischargeOwnershipHealth ExpendituresMulti-Institutional SystemsEconomics, MedicalOutcome Assessment (Health Care)Bed OccupancyProspective Payment SystemHospitals, PrivateSurgical Procedures, ElectiveTreatment OutcomeUtilization ReviewHealth Facility ClosureModels, EconometricAcademic Medical CentersHealth Services ResearchHospital DepartmentsPostoperative ComplicationsHospitals, CommunityQuality of Health CareCost SharingRisk FactorsIntensive Care UnitsCross InfectionInfant, NewbornFollow-Up StudiesHospitals, PsychiatricCohort StudiesRegression AnalysisHospital UnitsHospital RecordsAmbulatory Care FacilitiesSurgical Procedures, OperativeDatabases, FactualManaged Care ProgramsSeverity of Illness IndexAnti-Bacterial AgentsEquipment and Supplies, HospitalEfficiency, OrganizationalQuality-Adjusted Life YearsMedicaidMultivariate AnalysisLaryngeal DiseasesAge FactorsIncidenceInsurance, HealthHospitalsRisk Adjustment