Prospective StudiesRisk FactorsProportional Hazards ModelsCohort StudiesIncidenceFollow-Up StudiesQuestionnairesRisk AssessmentDietCase-Control StudiesUnited StatesPrognosisMultivariate AnalysisSmokingPredictive Value of TestsOdds RatioBreast NeoplasmsBiological MarkersTime FactorsBody Mass IndexAge FactorsTreatment OutcomeSensitivity and SpecificityPregnancyRiskInfant, NewbornSeverity of Illness IndexPostoperative ComplicationsLongitudinal StudiesPrevalenceRecurrenceRetrospective StudiesLogistic ModelsReproducibility of ResultsSex FactorsRegression AnalysisStatistics, NonparametricFrance