Predictive Value of TestsSensitivity and SpecificityROC CurveReproducibility of ResultsProspective StudiesFalse Positive ReactionsFalse Negative ReactionsRetrospective StudiesPrognosisReagent Kits, DiagnosticTime FactorsBiological MarkersEvaluation Studies as TopicContrast SensitivityTomography, X-Ray ComputedMass ScreeningFollow-Up StudiesPolymerase Chain ReactionAlgorithmsBacteriological TechniquesReagent StripsEnzyme-Linked Immunosorbent AssayRisk FactorsSeverity of Illness IndexCohort StudiesTreatment OutcomeBiopsyRadiopharmaceuticalsImmunoassayPregnancyRisk AssessmentTumor Markers, BiologicalObserver VariationDiagnostic ErrorsMutationMagnetic Resonance ImagingPositron-Emission TomographySerologic TestsFluorodeoxyglucose F18Insulin ResistanceBreast NeoplasmsArea Under CurveInfant, NewbornMolecular Diagnostic TechniquesDiagnostic Tests, RoutineEarly DiagnosisUltrasonography, Doppler, ColorImmunoenzyme TechniquesMultiple Chemical SensitivityPoint-of-Care SystemsBiopsy, Fine-NeedleLogistic ModelsCase-Control StudiesUltrasonographyContrast MediaReference ValuesMultivariate AnalysisElectrocardiographyClinical Laboratory TechniquesSensory ThresholdsPrevalenceMolecular Sequence DataPreoperative CareDose-Response Relationship, DrugDiagnosis, Computer-AssistedInsulinBiopsy, NeedleNeoplasm StagingCoronary AngiographyRegression AnalysisInternational Classification of DiseasesTomography, Spiral ComputedClinical CodingAcute DiseaseCytodiagnosisTomography, Emission-Computed, Single-PhotonCross-Sectional StudiesProbabilityEndosonographyDiagnostic Techniques and ProceduresAnalysis of VarianceMicrobial Sensitivity TestsPalpationAge FactorsAntineoplastic AgentsSpecimen HandlingFecesEpidemiologic MethodsFibrin Fibrinogen Degradation ProductsDrug Resistance, NeoplasmBlood GlucosePhysical ExaminationChi-Square DistributionQuestionnairesLatex Fixation TestsVaginal SmearsDisease ProgressionMicroscopyClinical Enzyme TestsModels, Biological