Ambulatory Surgical ProceduresAmbulatory CareTreatment OutcomeSurgical Procedures, OperativeOutpatient Clinics, HospitalPostoperative ComplicationsRetrospective StudiesSurgical Procedures, MinorSurgical Procedures, Minimally InvasiveVascular Surgical ProceduresTime FactorsCardiac Surgical ProceduresFollow-Up StudiesOral Surgical ProceduresProspective StudiesSurgical Procedures, ElectiveReconstructive Surgical ProceduresGynecologic Surgical ProceduresUrologic Surgical ProceduresDigestive System Surgical ProceduresOtorhinolaryngologic Surgical ProceduresCardiovascular Surgical ProceduresOphthalmologic Surgical ProceduresObstetric Surgical ProceduresOrthopedic ProceduresThoracic Surgical ProceduresLaparoscopyNeurosurgical ProceduresGeneral SurgeryReoperationPreoperative CareAmbulatory Care FacilitiesIntraoperative ComplicationsLength of StayRisk Factors