Hospital ChargesHospital CostsLength of StayCosts and Cost AnalysisHealth Care CostsEconomics, HospitalHospitals, TeachingHospitalizationHospitals, UrbanFees and ChargesHospitals, UniversityDiagnosis-Related GroupsRetrospective StudiesHospitals, PediatricUnited StatesPatient DischargeHospitals, GeneralCost AllocationCost-Benefit AnalysisCritical PathwaysHealth ResourcesHospital Bed CapacityPatient AdmissionCost ControlHospital PlanningEmergency Service, HospitalFinancial Management, HospitalCost of IllnessMedicareHospital Bed Capacity, 500 and overNursing Staff, HospitalDrug CostsHospital MortalityHospitals, DistrictPostoperative ComplicationsHospitals, SpecialCost SavingsInsurance, Health, ReimbursementTime FactorsProspective StudiesOutcome Assessment (Health Care)Infant, NewbornDatabases, FactualHospitals, PrivateDirect Service CostsTreatment OutcomeInsurance, HospitalizationIncidenceDecision TreesMarylandHospital DepartmentsRegression AnalysisHospitalsRisk FactorsHospitals, PsychiatricModels, EconomicPatient ReadmissionMultivariate AnalysisWounds and InjuriesIntermediate Care FacilitiesHospital UnitsHospital RecordsInpatientsCohort StudiesEconomic CompetitionAncillary Services, HospitalCross InfectionRisk AssessmentBed OccupancyHospitals, RuralEquipment and Supplies, HospitalSeverity of Illness IndexHospitals, ProprietaryOwnershipAge FactorsAccidents, TrafficAccountingMulti-Institutional SystemsLibraries, HospitalHealth Facility ClosureOperating RoomsOutpatient Clinics, HospitalSurgery Department, HospitalIntensive Care UnitsHospitalistsHospitals, CountyQuality of Health CareUtilization ReviewSurgical Procedures, ElectiveHealth Services ResearchRecovery RoomAmerican Hospital AssociationAcademic Medical CentersProspective Payment SystemEconomics, MedicalHospital Information SystemsHospitals, MunicipalFood Service, HospitalHealth ExpendituresModels, Econometric