Surgery Department, HospitalHospitals, UniversityRetrospective StudiesTreatment OutcomeEmergency Service, HospitalHospitals, TeachingHospital DepartmentsProspective StudiesHospitals, GeneralNursing Staff, HospitalHospital CostsHospitals, UrbanLength of StayTime FactorsPostoperative ComplicationsRisk FactorsHospitals, PediatricFollow-Up StudiesHospitalizationCross InfectionQuestionnairesEconomics, HospitalSwitzerlandHospitals, DistrictHospital Bed CapacityGeneral SurgeryHospitals, SpecialInfant, NewbornBrazilHospitals, PrivateUnited StatesPatient AdmissionOutpatient Clinics, HospitalIncidenceHospital UnitsTurkeyCross-Sectional StudiesAnti-Bacterial AgentsRadiology Department, HospitalSurgical Procedures, OperativeIntensive Care UnitsEmergenciesFinancial Management, HospitalHospital Bed Capacity, 500 and overBariatric SurgeryAge FactorsPatient DischargeHospital ChargesCohort StudiesPrevalenceAcademic Medical CentersPrognosisCardiac Surgical ProceduresSeverity of Illness IndexHospital PlanningHospital Information SystemsEmergency Medical ServicesJapanRisk AssessmentFranceInpatientsThoracic SurgeryObstetrics and Gynecology Department, HospitalMedical Audit