title: Some notes about the usage of the Charlson co-morbidity index.
authors.forename: Boris T
authors.initials: BT
authors.lastname: Bikbov
authors.forename: Natalia A
authors.initials: NA
authors.lastname: Tomilina
mesh_terms: D015897:Comorbidity; D006801:Humans; D007249:Inflammation / Q000453:epidemiology; D007676:Kidney Failure, Chronic / Q000453:epidemiology / Q000628:therapy; D015999:Multivariate Analysis; D015596:Nutrition Assessment; D011379:Prognosis; D016016:Proportional Hazards Models; D011502:Protein-Energy Malnutrition / Q000453:epidemiology*; D006435:Renal Dialysis