Hospital MortalityInpatientsEconomics, HospitalHospital CostsLegislation, HospitalLength of StayProspective Payment SystemDiagnosis-Related GroupsHome Care Services, Hospital-BasedHospital ChargesHospitalizationUnited StatesMortalityMedicareRetrospective StudiesPatient AdmissionHospitalsIntensive Care UnitsMedicaidHealth Care CostsHospitals, TeachingAPACHEHospitals, UniversityProspective StudiesTreatment OutcomeTime FactorsCritical IllnessPostoperative ComplicationsCohort StudiesIntensive CareHospitals, GeneralHospital Bed CapacityRisk FactorsFollow-Up StudiesCause of DeathInfant MortalityLogistic ModelsPatient DischargeRisk AdjustmentSeverity of Illness IndexRisk AssessmentHospitals, PsychiatricHospitals, UrbanHospitals, PediatricAge FactorsSepsisHospitals, Low-VolumeSurvival RateSurvival AnalysisNursing Staff, HospitalSurgery Department, HospitalPrognosisOutcome Assessment (Health Care)Respiration, ArtificialEmergency Service, HospitalHospitals, High-VolumeHospitals, Group PracticeInfant, NewbornMultivariate AnalysisSurgical Procedures, OperativeIncidenceEmergenciesHospitals, DistrictChi-Square DistributionAcute DiseaseHospitals, SpecialMyocardial InfarctionCritical CareEpidemiologic MethodsCenters for Medicare and Medicaid Services (U.S.)Coronary Artery BypassEnglandQuality of Health CareHospitals, PrivateComorbidityCardiology Service, HospitalPatient ReadmissionRegistriesPredictive Value of TestsAcute Kidney InjuryCross InfectionHospital DepartmentsCardiac Surgical ProceduresOdds RatioHospital UnitsPsychiatric Department, HospitalHospitals, VeteransQuality Indicators, Health CareAge DistributionSex FactorsFinancial Management, HospitalChild MortalityMaternal MortalityProportional Hazards ModelsMultiple Organ FailurePneumoniaRegression AnalysisHeart Valve ProsthesisSurgical Procedures, ElectiveOutcome and Process Assessment (Health Care)