Cost-Benefit AnalysisCost SavingsModels, EconometricAccountingFinancial AuditHealth Care CostsModels, EconomicValue of LifeEconomics, PharmaceuticalDrug CostsEfficiencyCosts and Cost AnalysisQuality-Adjusted Life YearsConservation of Natural ResourcesEmploymentCost of IllnessUnited StatesAgricultureOutcome Assessment (Health Care)Health PolicyTreatment OutcomeHealth PromotionInsurance BenefitsHealth Benefit Plans, EmployeeRandomized Controlled Trials as TopicTime FactorsRisk AssessmentFollow-Up StudiesClinical Trials as TopicInsurance, Pharmaceutical ServicesRetrospective StudiesRisk FactorsProspective StudiesPatient SelectionSurvival AnalysisDouble-Blind Method