Hospital MortalityMortalityIntensive Care UnitsRetrospective StudiesLength of StayHospitals, TeachingAPACHECritical IllnessTime FactorsProspective StudiesTreatment OutcomePatient AdmissionHospitals, UniversityPostoperative ComplicationsIntensive CareHospital CostsCohort StudiesCause of DeathInfant MortalityRisk FactorsHospitals, GeneralUnited StatesFollow-Up StudiesHospital Bed CapacityLogistic ModelsRisk AssessmentRisk AdjustmentHospitalizationSeverity of Illness IndexSurvival RateHospitals, Low-VolumeSurvival AnalysisSepsisAge FactorsStatistics as TopicPrognosisVital StatisticsHospitals, High-VolumeRespiration, ArtificialInfant, NewbornHospitals, UrbanIncidenceHospitals, Group PracticeEpidemiologic MethodsNursing Staff, HospitalMultivariate AnalysisSurgery Department, HospitalEmergenciesHospitalsChi-Square DistributionEmergency Service, HospitalMyocardial InfarctionCoronary Artery BypassPatient DischargeEconomics, HospitalHospitals, PediatricCritical CareModels, StatisticalEnglandRegistriesOutcome Assessment (Health Care)Surgical Procedures, OperativeDiagnosis-Related GroupsHospitals, SpecialAcute DiseasePredictive Value of TestsHospitals, DistrictCenters for Medicare and Medicaid Services (U.S.)Acute Kidney InjuryCardiology Service, HospitalChild MortalityMaternal MortalityCardiac Surgical ProceduresAge DistributionHospitals, PrivateQuality of Health CareSex FactorsOdds RatioProportional Hazards ModelsMultiple Organ FailureComorbidityRegression AnalysisCross InfectionSex DistributionBrazilHeart Valve ProsthesisFinancial Management, HospitalAortic AneurysmMorbidityMedical Records Department, HospitalStatistics, NonparametricShock, SepticHeart Valve Prosthesis ImplantationSurgical Procedures, ElectiveHospital ChargesQuality Indicators, Health CareNational Center for Health Statistics (U.S.)InpatientsReoperationPneumonia