Hospital MortalityPatient AdmissionMortalityIntensive Care UnitsLength of StayRetrospective StudiesHospitals, TeachingAPACHEHospitalizationProspective StudiesCritical IllnessTime FactorsTreatment OutcomeIntensive CareHospitals, UniversityHospital CostsCohort StudiesPostoperative ComplicationsRisk FactorsHospitals, GeneralFollow-Up StudiesHospital Bed CapacityCause of DeathLogistic ModelsInfant MortalitySeverity of Illness IndexEmergency Service, HospitalEmergenciesRisk AssessmentUnited StatesPrognosisSepsisRisk AdjustmentSurvival RateRespiration, ArtificialSurvival AnalysisPatient DischargeAge FactorsAcute DiseaseHospitals, UrbanMyocardial InfarctionHospitals, Low-VolumeInfant, NewbornHospitalsEnglandDiagnosis-Related GroupsMultivariate AnalysisHospitals, High-VolumeIncidenceSurgery Department, HospitalHospitals, PediatricHospitals, Group PracticeCritical CareOutcome Assessment (Health Care)Hospitals, DistrictNursing Staff, HospitalEpidemiologic MethodsPatient ReadmissionChi-Square DistributionEconomics, HospitalPredictive Value of TestsCoronary Artery BypassSurgical Procedures, OperativeHospitals, SpecialAcute Kidney InjuryHospitals, PsychiatricRegistriesInpatientsCardiology Service, HospitalMultiple Organ FailureCross InfectionHospitals, PrivateCenters for Medicare and Medicaid Services (U.S.)Quality of Health CareComorbidityOdds RatioCardiac Surgical ProceduresPneumoniaMaternal MortalityAge DistributionHospital ChargesRegression AnalysisProportional Hazards ModelsSex FactorsChild MortalityHospital DepartmentsHospital UnitsShock, SepticBrazilHeart Valve ProsthesisSex DistributionTrauma Severity IndicesFinancial Management, HospitalSurgical Procedures, ElectiveMorbidityQuality Indicators, Health CareAortic AneurysmRespiratory InsufficiencyOutcome and Process Assessment (Health Care)Hospital Records