Hospitals, UniversityHospital MortalityMortalityRetrospective StudiesHospitals, TeachingIntensive Care UnitsLength of StayHospital CostsHospitals, GeneralProspective StudiesTime FactorsNursing Staff, HospitalPatient AdmissionTreatment OutcomeHospital Bed CapacityAPACHERisk FactorsHospitals, UrbanPostoperative ComplicationsCritical IllnessCohort StudiesHospitalizationIntensive CareHospitals, PediatricFollow-Up StudiesEconomics, HospitalEmergency Service, HospitalHospitals, SpecialCross InfectionHospitals, DistrictLogistic ModelsHospitals, PrivateUnited StatesSurgery Department, HospitalInfant, NewbornSeverity of Illness IndexHospital DepartmentsRisk AssessmentPrognosisAge FactorsCause of DeathIncidenceBrazilSurvival RateInfant MortalityPatient DischargeFinancial Management, HospitalSurvival AnalysisSepsisRisk AdjustmentHospital ChargesMultivariate AnalysisHospital UnitsRespiration, ArtificialHospital PlanningDiagnosis-Related GroupsHospitals, Low-VolumeEmergenciesSurgical Procedures, OperativeChi-Square DistributionHospitals, High-VolumeOutcome Assessment (Health Care)Anti-Bacterial AgentsAcute DiseaseInpatientsHospitals, PsychiatricHospitals, Group PracticeEpidemiologic MethodsMyocardial InfarctionQuality of Health CareHospital RecordsOutpatient Clinics, HospitalEnglandCardiology Service, HospitalPredictive Value of TestsCritical CareHospital Bed Capacity, 500 and overHospitalsSwitzerlandRegistriesFranceQuestionnairesCoronary Artery BypassSaudi ArabiaAge DistributionPatient ReadmissionComorbidityHospitals, CountySex FactorsEquipment and Supplies, HospitalCross-Sectional StudiesLibraries, HospitalHospital Information SystemsOdds RatioAcute Kidney InjuryCardiac Surgical ProceduresCenters for Medicare and Medicaid Services (U.S.)PrevalenceQuality Indicators, Health CareRegression Analysis