Technology Assessment, BiomedicalCost-Benefit AnalysisRandomized Controlled Trials as TopicQuality-Adjusted Life YearsModels, EconomicGreat BritainState MedicineModels, EconometricReview Literature as TopicDatabases, BibliographicTreatment OutcomeBiomedical TechnologyMeta-Analysis as TopicDecision Support TechniquesEvidence-Based MedicineDiagnostic Tests, RoutineResearch DesignCosts and Cost AnalysisClinical Trials as TopicBias (Epidemiology)Outcome Assessment (Health Care)Markov ChainsChronic DiseaseRisk FactorsQuality of LifeSensitivity and SpecificityReproducibility of ResultsMass ScreeningDrug Therapy, CombinationRisk AssessmentPregnancyAge FactorsInfant, NewbornIncidenceTime FactorsPrognosis