Reference StandardsSensitivity and SpecificityReproducibility of ResultsObserver VariationReference ValuesPredictive Value of TestsDiagnostic Techniques and ProceduresTomography, X-Ray ComputedAlgorithmsProspective StudiesROC CurveDiagnostic Tests, RoutineImaging, Three-DimensionalMagnetic Resonance ImagingTime FactorsQuality ControlImage Processing, Computer-AssistedContrast MediaRadiographic Image Interpretation, Computer-AssistedReagent Kits, DiagnosticImage Interpretation, Computer-AssistedCalibrationClinical Laboratory TechniquesRetrospective StudiesRadiographic Image EnhancementImage EnhancementAngiography, Digital SubtractionRadiologyBignoniaceaeTreatment OutcomePolymerase Chain ReactionMagnetic Resonance AngiographyStandard of CarePhotographyEvaluation Studies as TopicAutomationMicroscopyCineradiographyClinical CodingImmunoassayPoint-of-Care SystemsReagent StripsNatural Language ProcessingChromatography, High Pressure LiquidCross-Sectional StudiesUltrasonographySeverity of Illness IndexFeasibility StudiesDiagnostic ErrorsPhysical ExaminationPhantoms, ImagingOphthalmoscopyInfant, NewbornSoftwareMultidetector Computed TomographyFalse Positive ReactionsMass ScreeningUnited StatesAnthropometryLinear ModelsModels, StatisticalResearch DesignPositron-Emission TomographyEnzyme-Linked Immunosorbent AssayStatistics, NonparametricMethodsBiological MarkersCohort StudiesSingle-Blind MethodQuestionnairesDatabases, FactualPregnancyAnalysis of VarianceArea Under CurveMolecular Diagnostic TechniquesBacteriological TechniquesFollow-Up StudiesInformation Storage and RetrievalRegression AnalysisMass SpectrometryRadiopharmaceuticalsPattern Recognition, AutomatedData Interpretation, StatisticalStatistics as TopicRisk FactorsMonitoring, PhysiologicX-Ray Intensifying ScreensSputumRadiography, ThoracicDiagnosis, Computer-AssistedAge FactorsGadolinium DTPAMEDLINEColonography, Computed TomographicBiological AssayFractional Flow Reserve, MyocardialUrinalysisOphthalmologyMagnetic Resonance SpectroscopyEquipment Design