Retrospective StudiesSurgery Department, HospitalTreatment OutcomeEmergency Service, HospitalHealth Services AccessibilityHospitals, TeachingHospital DepartmentsHospitals, UniversityHospitals, GeneralHealth ServicesHealth Services Needs and DemandHospital CostsHealth Services ResearchUnited StatesHospitals, UrbanMental Health ServicesFamily Planning ServicesHome Care ServicesEmergency Medical ServicesHospitals, PediatricProspective StudiesNursing Staff, HospitalHospitals, DistrictPostoperative ComplicationsTime FactorsCommunity Health ServicesLength of StayHospitals, SpecialHospital Bed CapacityHospitalizationEconomics, HospitalEnglandHospitals, PrivateRural Health ServicesHealth Services for the AgedQuestionnairesGeneral SurgeryFinancial Management, HospitalOutpatient Clinics, HospitalChild Health ServicesFollow-Up StudiesHospital PlanningPatient AdmissionRisk FactorsHealth Care SurveysHospitals, PsychiatricGreat BritainQuality of Health CareHospital ChargesEmergenciesHospital UnitsBariatric SurgeryPreventive Health ServicesPatient DischargeMaternal Health ServicesPatient SatisfactionReproductive Health ServicesState MedicineDelivery of Health CareCommunity Mental Health ServicesInfant, NewbornContract ServicesRadiology Department, HospitalHospital RecordsEquipment and Supplies, HospitalThoracic SurgerySurgical Procedures, OperativeReferral and ConsultationOutcome Assessment (Health Care)Cross-Sectional StudiesUnited States Department of Veterans AffairsLibrary ServicesLibraries, HospitalUnited States Dept. of Health and Human ServicesObstetrics and Gynecology Department, HospitalDiagnostic ServicesCardiac Surgical ProceduresCosts and Cost AnalysisUrban Health ServicesUtilization ReviewData CollectionHospital Bed Capacity, 500 and overWounds and InjuriesLogistic ModelsAdolescent Health ServicesCardiology Service, HospitalCenters for Medicare and Medicaid Services (U.S.)TriageAmbulatory CareNursing ServicesFood Service, HospitalCohort StudiesIncidenceHealth Care CostsRisk AssessmentHospitals, CountyHospital Information SystemsEmergency TreatmentPublic Health AdministrationAttitude of Health Personnel