{"id":"W2121656227","doi":"10.1093/aje/kwq433","title":"Updating and Validating the Charlson Comorbidity Index and Score for Risk Adjustment in Hospital Discharge Abstracts Using Data From 6 Countries","year":2011,"lang":"en","type":"article","venue":"American Journal of Epidemiology","topic":"Medical Coding and Health Information","field":"Health Professions","cited_by":5897,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"Hospices Civils de Lyon; Tokyo Medical and Dental University; Alberta Innovates; Faculty of Medicine, Nursing and Health Sciences, Monash University; Monash University; University of Otago","keywords":"Medicine; Charlson comorbidity index; Comorbidity; Index (typography); Emergency medicine; Hospital discharge; Internal medicine","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null}