Patient AdmissionInpatientsAdmitting Department, HospitalHospitalizationInsurance Claim ReviewHealth Care CostsAmbulatory Surgical ProceduresLength of StayEmergency Service, HospitalAmbulatory CareRetrospective StudiesUnited StatesHospitalsEnglandHospitals, PsychiatricPatient DischargePsychiatric Department, HospitalRehabilitation CentersHospital MortalityHospital CostsProspective StudiesPatient ReadmissionBed OccupancyTreatment OutcomeSchool Admission CriteriaDiagnosis-Related GroupsIntensive Care UnitsHospitals, TeachingTime FactorsRisk FactorsCommitment of Mentally IllHospitals, PediatricAcute DiseaseHospitals, GeneralChild, HospitalizedCohort StudiesOutcome Assessment (Health Care)Severity of Illness IndexOutpatientsEmergenciesHospital ChargesUtilization ReviewHospitalistsHospital UnitsHospitals, UniversityHospitals, PublicMedicareAge FactorsPatient TransferInfant, NewbornMental DisordersLogistic ModelsHospital Bed CapacityFollow-Up StudiesHospitals, UrbanDay CareEconomics, HospitalHospitals, CommunityCosts and Cost AnalysisHospital DepartmentsIncidenceIntensive CareHospitals, DistrictStrokeComorbidityMedical AuditDatabases, FactualHealth ExpendituresPrognosisLondonCollege Admission TestHealth Services ResearchMultivariate AnalysisOutcome and Process Assessment (Health Care)Quality of Health CareReferral and ConsultationPneumoniaCritical IllnessRisk AssessmentEpisode of CarePredictive Value of TestsSurgery Department, HospitalRegression AnalysisAcademic Medical CentersProspective Payment SystemIntensive Care Units, PediatricInternational Classification of DiseasesMedication ErrorsAftercareHealth Services MisuseAge DistributionHospitals, VeteransMyocardial InfarctionSurgical Procedures, OperativeWounds and InjuriesHealth ResourcesMedical Staff, HospitalCross InfectionPatient SatisfactionMedical Records