title: Estimating the prevalence of low glomerular filtration rate requires attention to the creatinine assay calibration.
authors.forename: Josef
authors.initials: J
authors.lastname: Coresh
authors.forename: Garabed
authors.initials: G
authors.lastname: Eknoyan
authors.forename: Andrew S
authors.initials: AS
authors.lastname: Levey
mesh_terms: D002138:Calibration; D003404:Creatinine / Q000097:blood*; D004812:Epidemiologic Methods; D005919:Glomerular Filtration Rate; D006801:Humans; D007674:Kidney Diseases / Q000453:epidemiology* / Q000503:physiopathology*; D015995:Prevalence; D014481:United States / Q000453:epidemiology
chemical_list: D003404:Creatinine