Patient ReadmissionPatient DischargeLength of StayMedicareRetrospective StudiesHeart FailureDiagnosis-Related GroupsHospital CostsHospitalistsHospitalizationPatient AcuityHospitalsAftercareUnited StatesQuality of Health CareQuality Indicators, Health CareFee-for-Service PlansHospital MortalityOutcome and Process Assessment (Health Care)Risk FactorsOutcome Assessment (Health Care)Hospitals, PsychiatricInsurance Claim ReviewContinuity of Patient CareRisk AdjustmentTime FactorsCohort StudiesTreatment OutcomePostoperative ComplicationsPatient AdmissionLogistic ModelsMultivariate AnalysisInpatientsHospitals, TeachingEmergenciesHospitals, CommunityMedication ReconciliationHospitals, VeteransCritical PathwaysComorbidityHospitals, PediatricAmbulatory Surgical ProceduresFollow-Up StudiesPneumoniaProspective StudiesEmergency Service, HospitalAmerican Hospital AssociationAcute DiseaseMyocardial Infarction