AppendicitisAppendectomyAppendixAbdomen, AcuteIntestinal PerforationAbdominal AbscessAbdominal PainAcute DiseaseFecal ImpactionCecal DiseasesRupture, SpontaneousGangreneHospitals, GeneralHospitals, TeachingRetrospective StudiesHospital CostsLaparoscopyHospitals, UniversityDiagnostic ErrorsAppendiceal NeoplasmsHospitals, PediatricMesenteric LymphadenitisHospitals, PrivateLength of StayDiverticulitisHospitals, DistrictHospitals, UrbanNursing Staff, HospitalHernia, FemoralEconomics, HospitalEmergency Service, HospitalRadiography, AbdominalHospitals, CountyTomography, X-Ray ComputedHospital Bed CapacityHospitals, SpecialTorsion AbnormalityProspective StudiesHospitalizationCecal NeoplasmsAbscessFinancial Management, HospitalLaparotomyPostoperative ComplicationsHospital PlanningUnnecessary ProceduresHospital ChargesSensitivity and SpecificitySurgical Wound InfectionHospital DepartmentsLithiasisHospitals, Psychiatric