Hospital MortalityMortalityMorbidityIntensive Care UnitsRetrospective StudiesLength of StayHospitals, TeachingAPACHETreatment OutcomePostoperative ComplicationsProspective StudiesTime FactorsCritical IllnessHospitals, UniversityPatient AdmissionIntensive CareHospital CostsCohort StudiesRisk FactorsInfant MortalityFollow-Up StudiesHospitals, GeneralCause of DeathHospital Bed CapacityLogistic ModelsRisk AssessmentHospitalizationUnited StatesRisk AdjustmentSurvival RateSeverity of Illness IndexSurvival AnalysisSepsisHospitals, Low-VolumePrognosisRespiration, ArtificialInfant, NewbornAge FactorsHospitals, High-VolumeIncidenceHospitals, UrbanHospitals, Group PracticeMultivariate AnalysisEmergenciesNursing Staff, HospitalEpidemiologic MethodsSurgery Department, HospitalCoronary Artery BypassMyocardial InfarctionChi-Square DistributionEmergency Service, HospitalHospitalsSurgical Procedures, OperativeAcute DiseaseCritical CareEconomics, HospitalHospitals, PediatricDiagnosis-Related GroupsOutcome Assessment (Health Care)Patient DischargeHospitals, SpecialHospitals, DistrictMaternal MortalityAcute Kidney InjuryCardiac Surgical ProceduresEnglandPredictive Value of TestsCenters for Medicare and Medicaid Services (U.S.)RegistriesCardiology Service, HospitalChild MortalityComorbidityMultiple Organ FailureHospitals, PrivateOdds RatioCross InfectionQuality of Health CareProportional Hazards ModelsHeart Valve ProsthesisAge DistributionAortic AneurysmSex FactorsReoperationSurgical Procedures, ElectiveBrazilHeart Valve Prosthesis ImplantationFinancial Management, HospitalShock, SepticPneumoniaHospital ChargesRegression AnalysisSex DistributionTrauma Severity IndicesInpatientsPatient ReadmissionMedical Records Department, HospitalQuality Indicators, Health CareKaplan-Meier EstimateCardiovascular Surgical ProceduresHospital Planning