Outcome Assessment (Health Care)Treatment OutcomePregnancy OutcomeRetrospective StudiesFollow-Up StudiesOutcome and Process Assessment (Health Care)Prospective StudiesPrognosisTime FactorsRisk FactorsCohort StudiesPregnancyInfant, NewbornSeverity of Illness IndexSurvival AnalysisSurvival RatePredictive Value of TestsPostoperative ComplicationsGlasgow Outcome ScaleRisk AssessmentRandomized Controlled Trials as TopicKaplan-Meier EstimateUnited StatesQuality of LifeMultivariate AnalysisRecurrenceLogistic ModelsRecovery of FunctionAge FactorsLength of StayStrokePatient Outcome AssessmentProportional Hazards ModelsHospital MortalityPatient SatisfactionResearch DesignIncidenceChi-Square DistributionLongitudinal StudiesRegistriesAcute DiseasePregnancy ComplicationsHospitalizationRegression AnalysisDouble-Blind MethodReproducibility of ResultsCombined Modality TherapyDisease ProgressionCost-Benefit AnalysisReoperationPatient SelectionDisability EvaluationOdds RatioChronic DiseasePilot ProjectsMyocardial InfarctionCross-Sectional StudiesPain MeasurementBiological MarkersTreatment Failure