MortalityHospitals, TeachingHospital MortalityInfant MortalityHospitals, GeneralHospitals, UniversityRetrospective StudiesHospital CostsCause of DeathHospitals, UrbanNursing Staff, HospitalEconomics, HospitalLength of StayHospitals, PediatricHospital Bed CapacityProspective StudiesHospitals, SpecialHospitals, DistrictTime FactorsCohort StudiesUnited StatesFollow-Up StudiesHospitals, PrivateChild MortalityMaternal MortalityInfant, NewbornEmergency Service, HospitalFinancial Management, HospitalHospital ChargesHospital PlanningAge FactorsHospital DepartmentsIncidenceSurvival AnalysisSurvival RateProportional Hazards ModelsHospitals, PsychiatricRisk FactorsHospitalizationHospital RecordsPatient AdmissionHospital UnitsRisk AssessmentPatient DischargePrognosisSurgery Department, HospitalEquipment and Supplies, HospitalTreatment OutcomePostoperative ComplicationsAge DistributionEnglandLibraries, HospitalCross InfectionRegistriesSex FactorsMultivariate AnalysisCardiovascular DiseasesHospitals, CountyIntensive Care UnitsLogistic ModelsOutpatient Clinics, HospitalHospital Bed Capacity, 500 and overSex DistributionHospitals, MunicipalMyocardial InfarctionPerinatal MortalitySeverity of Illness IndexMorbidityMortality, PrematureAmerican Hospital AssociationPatient ReadmissionInpatientsObstetrics and Gynecology Department, HospitalHospital Information SystemsPredictive Value of TestsOutcome Assessment (Health Care)Regression AnalysisFood Service, HospitalDeath CertificatesDiagnosis-Related GroupsPregnancy