References
- United Nations, Department of Economic and Social Affairs. Population DivisionWorld Population Ageing 1950–2050New York, NYUnited Nations2002
- SaliveMEMultimorbidity in older adultsEpidemiol Rev1312013 [Epub ahead of print.]
- SalisburyCMultimorbidity: redesigning health care for people who use itLancet201238098367922579042
- ValderasJMStarfieldBSibbaldBSalisburyCRolandMDefining comorbidity: implications for understanding health and health servicesAnn Fam Med20097435736319597174
- MarengoniAAnglemanSMelisRAging with multimorbidity: a systematic review of the literatureAgeing Res Rev201110443043921402176
- ElixhauserASteinerCHarrisDRCoffeyRMComorbidity measures for use with administrative dataMed Care19983618279431328
- CharlsonMEPompeiPAlesKLMacKenzieCRA new method of classifying prognostic comorbidity in longitudinal studies: development and validationJ Chronic Dis19874053733833558716
- FeinsteinARThe pre-therapeutic classification of co-morbidity in chronic diseaseJ Chronic Dis1970237455468
- KaplanMHFeinsteinARThe importance of classifying initial comorbidity in evaluation the outcome of diabetes mellitusJ Chronic Dis1974277–83874044436428
- ParkersonGRJrBroadheadWETseCKThe Duke Severity of Illness Checklist (DUSOI) for measurement of severity and comorbidityJ Clin Epidemiol19934643793938483003
- VerbruggeLMLepkowskiJMImanakaYComorbidity and its impact on disabilityMilbank Q1989673–44504842534562
- LinnBSLinnMWGurelLCumulative illness rating scaleJ Am Geriatr Soc19681656226265646906
- GreenfieldSApoloneGMcNeilBJClearyPDThe importance of co-existent disease in the occurrence of postoperative complications and one-year recovery in patients undergoing total hip replacement. Comorbidity and outcomes after hip replacementMed Care19933121411548433577
- de GrootVBeckermanHLankhorstGJBouterLMHow to measure comorbidity: a critical review of available methodsJ Clin Epidemiol200356322122912725876
- RothmanKJEpidemiology: An Introduction2nd edOxford, UKOxford University Press2012
- SchaferIHansenHSchonGThe influence of age, gender and socio-economic status on multimorbidity patterns in primary care. First results from the Multicare Cohort StudyBMC Health Serv Res2012128922471952
- NathanDMLong-term complications of diabetes mellitusN Engl J Med199332823167616858487827
- OwensWDFeltsJASpitznagelELJrASA physical status classifications: a study of consistency of ratingsAnesthesiology1978494239243697077
- KnausWADraperEAWagnerDPZimmermanJEAPACHE II: a severity of disease classification systemCrit Care Med198513108188293928249
- KnausWWagnerDDraperEAPACHE III study design: analytic plan for evaluation of severity and outcome in intensive care unit patients. Development of APACHECrit Care Med19891712 Pt 2S181S1852512055
- FetterRBShinYFreemanJLAverillRFThompsonJDCase mix definition by diagnosis-related groupsMed Care198018Suppl 2iii1537188781
- GoldfieldNThe evolution of diagnosis-related groups (DRGs): from its beginnings in case-mix and resource use theory, to its implementation for payment and now for its current utilization for quality within and outside the hospitalQual Manag Health Care201019131620042929
- RothmanKJGreenlandSLashTValidity in epidemiologic studiesModern Epidemiology3rd edPhiladelphia, PAWolter Kluwer2008128147
- RothmanKJGreenlandSLashTCausal diagramsModern Epidemiology3rd edPhiladelphia, PAWolter Kluwer2008
- MiettinenOSStratification by a multivariate confounder scoreAm J Epidemiol19761046609620998608
- BaldwinLMKlabundeCNGreenPBarlowWWrightGIn search of the perfect comorbidity measure for use with administrative claims data: does it exist?Med Care200644874575316862036
- PosesRMMcClishDKSmithWRBekesCScottWEPrediction of survival of critically ill patients by admission comorbidityJ Clin Epidemiol19964977437478691223
- GoldsteinLBSamsaGPMatcharDBHornerRDCharlson Index comorbidity adjustment for ischemic stroke outcome studiesStroke20043581941194515232123
- LeeDSDonovanLAustinPCComparison of coding of heart failure and comorbidities in administrative and clinical data for use in outcomes researchMed Care200543218218815655432
- MyersRPQuanHHubbardJNShaheenAAKaplanGGPredicting in-hospital mortality in patients with cirrhosis: results differ across risk adjustment methodsHepatology200949256857719085957
- QuachSHennessyDAFarisPFongAQuanHDoigCA comparison between the APACHE II and Charlson Index Score for predicting hospital mortality in critically ill patientsBMC Health Serv Res2009912919643010
- HemmelgarnBRMannsBJQuanHGhaliWAAdapting the Charlson Comorbidity Index for use in patients with ESRDAm J Kidney Dis200342112513212830464
- LashTLMorVWielandDFerrucciLSatarianoWSillimanRAMethodology, design, and analytic techniques to address measurement of comorbid diseaseJ Gerontol A Biol Sci Med Sci200762328128517389725