Predictive Value of TestsSensitivity and SpecificityROC CurveProspective StudiesReproducibility of ResultsFalse Positive ReactionsPrognosisRetrospective StudiesFalse Negative ReactionsBiological MarkersReagent Kits, DiagnosticTomography, X-Ray ComputedFollow-Up StudiesMass ScreeningReagent StripsEvaluation Studies as TopicRisk FactorsTime FactorsCohort StudiesSeverity of Illness IndexTreatment OutcomeRisk AssessmentBiopsyBacteriological TechniquesRadiopharmaceuticalsPregnancyAlgorithmsTumor Markers, BiologicalFluorodeoxyglucose F18Ultrasonography, Doppler, ColorDiagnostic ErrorsEnzyme-Linked Immunosorbent AssayObserver VariationPositron-Emission TomographyInfant, NewbornBiopsy, Fine-NeedleMultivariate AnalysisEarly DiagnosisLogistic ModelsClinical CodingPolymerase Chain ReactionPreoperative CareInternational Classification of DiseasesDiagnostic Tests, RoutineCoronary AngiographyArea Under CurveUltrasonographyTomography, Spiral ComputedBreast NeoplasmsElectrocardiographyNeoplasm StagingBiopsy, NeedlePoint-of-Care SystemsFibrin Fibrinogen Degradation ProductsImmunoassayPrevalenceEndosonographyMagnetic Resonance ImagingPalpationSerologic TestsContrast MediaAcute DiseaseCytodiagnosisProbabilityThyroid NoduleEpidemiologic MethodsSurvival AnalysisTomography, Emission-Computed, Single-PhotonMolecular Diagnostic TechniquesDiagnosis, Computer-AssistedImmunoenzyme TechniquesPhysical ExaminationChi-Square DistributionCoronary StenosisRegression AnalysisUltrasonography, DopplerCross-Sectional StudiesDiagnostic Techniques and ProceduresProportional Hazards ModelsClinical Enzyme TestsFrozen SectionsDisease ProgressionUltrasonography, PrenatalVaginal SmearsClinical Laboratory TechniquesCase-Control StudiesCoronary Artery DiseaseMyocardial InfarctionLymphatic MetastasisMultidetector Computed TomographyKaplan-Meier EstimateGentian VioletIncidenceMultimodal ImagingRecurrenceMedical RecordsChest PainCervix UteriC-Reactive ProteinUrinalysis