Costs and Cost AnalysisHealth Care CostsCost-Benefit AnalysisDrug CostsCost of IllnessHospital CostsCost SavingsModels, EconomicDirect Service CostsModels, EconometricBones of Lower ExtremityDisposable EquipmentPhysicians' OfficesCost ControlHealth ResourcesLength of StayDecision TreesNebraskaRetrospective StudiesCost SharingAmbulatory Surgical ProceduresUnited StatesCost AllocationHospitalizationHospitals, UniversityHealth Services ResearchTreatment OutcomeAmbulatory CareGreat BritainDiagnosis-Related GroupsProspective StudiesInsecticidesNational Health ProgramsTime FactorsSensitivity and SpecificityOutcome Assessment (Health Care)Mass ScreeningPregnancyProgram EvaluationRandomized Controlled Trials as TopicEmployer Health CostsQuality-Adjusted Life Years