Patient ReadmissionPatient DischargeLength of StayUnited StatesMedicareDelivery of Health CareQuality of Health CareRetrospective StudiesHospitalsHospitalizationHealth PersonnelQuality Indicators, Health CareHospital CostsHealth Care CostsDiagnosis-Related GroupsOutcome Assessment (Health Care)Heart FailureRisk FactorsOutcome and Process Assessment (Health Care)HospitalistsInsurance Claim ReviewAftercareContinuity of Patient CareHealthcare DisparitiesPatient AcuityFee-for-Service PlansHealth Services ResearchHospital MortalityTreatment OutcomeCohort StudiesTime FactorsHospitals, PsychiatricLogistic ModelsUnited States Agency for Healthcare Research and QualityJoint Commission on Accreditation of Healthcare OrganizationsRisk AdjustmentHospitals, VeteransPatient AdmissionHealth Services AccessibilityQuality ImprovementMultivariate AnalysisCost-Benefit AnalysisInpatientsHospitals, TeachingComorbidityPostoperative ComplicationsHospital AdministrationEmergency Service, HospitalProspective StudiesCritical PathwaysHospitals, CommunityFollow-Up StudiesQuality Assurance, Health CareHospitals, PediatricCost SavingsQuestionnairesAcademic Medical CentersRisk AssessmentOntarioEmergenciesHome Care ServicesHealth Care SurveysPatient Care TeamPatient SatisfactionHealth ResourcesUtilization ReviewMedication ReconciliationAmbulatory CareHealth ServicesForecastingAmbulatory Surgical ProceduresEfficiency, OrganizationalPneumoniaAttitude of Health PersonnelElectronic Health RecordsDatabases, FactualIntensive Care UnitsCross-Sectional StudiesAcute DiseaseHospitals, PublicDelivery of Health Care, IntegratedPulmonary Disease, Chronic ObstructiveHealthcare FinancingHospitals, UrbanSurgical Procedures, OperativeOdds RatioClinical CodingHospitals, UniversityMedicare Part APrimary Health CareMyocardial InfarctionPatient-Centered CareHospitals, SpecialSpainEpisode of CareMedical Record LinkageCaliforniaPersonnel, HospitalNew YorkEngland