GFR is estimated with the CKD-EPI Study equation based on IDMS serum or plasma creatinine.
CKDEpi.creat(creatinine, sex, age, ethnicity)
A numeric vector with eGFR values in ml/min/1.73 \(m^2\).
Numeric vector with serum or plasma creatinine values in mg/dl
Numeric vector with 0 for females and 1 for males
Numeric vector with age in years
Numeric vector with 0 for non-Black and 1 for Black individuals
Cristian Pattaro
Inker LA, et al. Estimating glomerular filtration rate from serum creatinine and cystatin C. N Engl J Med 2012; 367: 20-29.
CKDEpi.creat.cys
, CKDEpi.cys
, CKDEpi2021.creat