PrevalenceRisk FactorsCross-Sectional StudiesDelayed DiagnosisSensitivity and SpecificityPrenatal DiagnosisEarly DiagnosisRetrospective StudiesAge FactorsAge DistributionDiagnosisBrazilUnited StatesSex DistributionQuestionnairesSex FactorsProspective StudiesInfant, NewbornIncidenceCohort StudiesPolymerase Chain ReactionPregnancyHealth SurveysTime FactorsLogistic ModelsDiagnostic ErrorsPredictive Value of TestsFollow-Up StudiesIndiaComorbidityBiopsyRural PopulationSocioeconomic FactorsTomography, X-Ray ComputedChinaReproducibility of ResultsHIV InfectionsSeverity of Illness IndexUrban PopulationPopulation SurveillanceCase-Control StudiesMass ScreeningTreatment OutcomePrognosisSmokingOdds RatioNursing DiagnosisDiagnosis, Computer-AssistedChronic DiseaseChi-Square DistributionEpidemiologic MethodsRisk AssessmentMagnetic Resonance ImagingEnzyme-Linked Immunosorbent AssayFecesMultivariate AnalysisGenotypeSpainObesityTurkeyJapanItalyPreimplantation DiagnosisRural HealthIranDiabetes MellitusBiological MarkersBody Mass IndexMental DisordersAsthmaGreat BritainHypertensionRegression AnalysisAge of OnsetEnglandRegistriesFranceFetal DiseasesUrban HealthAcute DiseaseBiopsy, NeedleAnti-Bacterial AgentsLongitudinal StudiesNigeriaMalaysiaConfidence IntervalsEthnic GroupsSouth AfricaGermanyFatal OutcomeFalse Positive ReactionsSyndromeEndemic DiseasesDemographyROC CurveFalse Negative ReactionsEuropeKoreaMexicoOccupational Diseases