IncidenceCohort StudiesRisk FactorsTime FactorsRetrospective StudiesProspective StudiesUnited StatesPrevalenceAge DistributionInfant, NewbornFollow-Up StudiesModels, StatisticalRegistriesTreatment OutcomeRisk AssessmentPopulation SurveillanceSex DistributionReproducibility of ResultsNeoplasmsPregnancyRiskRegression AnalysisAlgorithmsPoisson DistributionSeasonsComputer SimulationModels, TheoreticalEpidemiologic MethodsLikelihood FunctionsModels, GeneticModels, BiologicalBayes TheoremCase-Control StudiesJapanLogistic ModelsProportional Hazards ModelsConfidence IntervalsData Interpretation, StatisticalPostoperative ComplicationsSwedenSurvival RateOdds RatioProbabilityPrognosisSurvival AnalysisSensitivity and SpecificityMultivariate AnalysisQuestionnairesLongitudinal Studies