ComorbidityMental DisordersDiagnostic and Statistical Manual of Mental DisordersAnxiety DisordersMood DisordersUnited StatesPrevalenceRetrospective StudiesAge FactorsRisk FactorsDiagnosis, Dual (Psychiatry)Severity of Illness IndexCohort StudiesRisk AdjustmentSubstance-Related DisordersPsychiatric Status Rating ScalesDepressive DisorderPhobic DisordersTreatment OutcomeChronic DiseaseHealth SurveysProspective StudiesLogistic ModelsDepressive Disorder, MajorPersonality DisordersImpulse Control DisordersInterview, PsychologicalAlcoholismCross-Sectional StudiesDepressionHospitalizationStress Disorders, Post-TraumaticVeteransPanic DisorderConduct DisorderFollow-Up StudiesBipolar DisorderObsessive-Compulsive DisorderProportional Hazards ModelsMedicareSurvival RatePrognosisAttention Deficit Disorder with HyperactivityMultivariate AnalysisRegistriesQuestionnairesSex FactorsRisk AssessmentTime FactorsSurvival AnalysisQuality of LifeAge of OnsetKidney Failure, ChronicRenal DialysisDenmarkLongitudinal StudiesHospital MortalityInternational Classification of DiseasesDiabetes MellitusPredictive Value of TestsOdds RatioSocioeconomic FactorsRegression AnalysisDiseases in TwinsHealth StatusAnxietyLength of StayOutcome Assessment (Health Care)Health Status IndicatorsNetherlandsActivities of Daily LivingDisability EvaluationChi-Square DistributionObsessive HoardingEating DisordersAgoraphobiaGeriatric AssessmentCause of DeathSomatoform DisordersAttention Deficit and Disruptive Behavior DisordersPeritoneal DialysisMigraine DisordersIncidenceAntisocial Personality DisorderHypochondriasisSEER ProgramUnited States Department of Veterans AffairsHealth ServicesInsanity DefenseSuicide, AttemptedCost of IllnessPatient SelectionDatabases, FactualCystectomyAlabamaSpainDemographyKaplan-Meier EstimateMedical RecordsPersonality Assessment