Surgery Department, HospitalRetrospective StudiesTreatment OutcomeHospitals, TeachingEmergency Service, HospitalHospitals, GeneralHospitals, UniversityHospital CostsHospitals, UrbanHospital DepartmentsNursing Staff, HospitalHospitals, PediatricEconomics, HospitalHospitals, DistrictHospitals, SpecialHospital Bed CapacityLength of StayHospitals, PrivateFinancial Management, HospitalHospitalizationHospital PlanningProspective StudiesHospital ChargesPostoperative ComplicationsHospital UnitsTime FactorsHospitals, PsychiatricHospital RecordsPatient AdmissionOutpatient Clinics, HospitalPatient DischargeUnited StatesEquipment and Supplies, HospitalEnglandEmergenciesGeneral SurgeryGreat BritainRisk FactorsMedical AuditFollow-Up StudiesLibraries, HospitalHospital Bed Capacity, 500 and overHospitals, CountyInfant, NewbornObstetrics and Gynecology Department, HospitalCross InfectionHospital Information SystemsHospitals, MunicipalRadiology Department, HospitalEmergency Medical ServicesQuestionnairesSurgical Procedures, OperativeAmerican Hospital AssociationFood Service, HospitalCardiology Service, HospitalPathology Department, HospitalPatient ReadmissionHospitals, MaternityLaboratories, HospitalHospitals, ReligiousBariatric SurgeryQuality of Health CareDiagnosis-Related GroupsOutcome Assessment (Health Care)Age FactorsIncidenceInpatientsCohort StudiesThoracic SurgeryWounds and InjuriesCardiac Surgical ProceduresRats, Mutant StrainsEmergency TreatmentNursing Service, HospitalHealth Care SurveysMedical RecordsHospitals, VeteransHistory, 19th Century