Cohort StudiesTreatment OutcomeProspective StudiesRisk FactorsOutcome Assessment (Health Care)Retrospective StudiesFollow-Up StudiesPregnancy OutcomeIncidenceTime FactorsPregnancyProportional Hazards ModelsPrognosisInfant, NewbornRisk AssessmentLongitudinal StudiesAge FactorsMultivariate AnalysisLogistic ModelsUnited StatesSeverity of Illness IndexPredictive Value of TestsDenmarkSurvival AnalysisOutcome and Process Assessment (Health Care)Odds RatioRiskPrevalenceSurvival RateRegistriesSex FactorsKaplan-Meier EstimateGreat BritainEpidemiologic MethodsNetherlandsQuestionnairesCase-Control StudiesRegression AnalysisHospitalizationConfidence IntervalsSwedenStrokeSmokingSocioeconomic FactorsBody Mass IndexRecurrencePostoperative ComplicationsCause of DeathChi-Square DistributionJapanHIV InfectionsQuality of LifeCardiovascular DiseasesDisease ProgressionLength of StayPregnancy ComplicationsBiological MarkersBirth WeightNeoplasmsCross-Sectional StudiesRandomized Controlled Trials as TopicResearch DesignHospital MortalityLinear ModelsReproducibility of ResultsAge DistributionHealth StatusCohort EffectChronic DiseaseSex DistributionMortalityGestational AgeRecovery of FunctionConfounding Factors (Epidemiology)Premature BirthNorwayChild DevelopmentPatient SelectionComorbidityEnglandBreast NeoplasmsIntensive Care UnitsDisability EvaluationFinlandGlasgow Outcome ScaleOccupational DiseasesEducational StatusSensitivity and SpecificityFranceGenotypeAcute DiseaseSocial ClassStatistics, NonparametricActivities of Daily LivingGermanyObesityMyocardial InfarctionSwitzerlandAnalysis of VarianceAlcohol Drinking