Treatment OutcomeOutcome Assessment (Health Care)Pregnancy 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 Factors