BCR                     BUN-to-creatinine ratio
CG                      Cockroft and Gault equation
CKDEpi.creat            CKD-EPI equation for serum creatinine
CKDEpi.creat.cys        CKD-EPI equation for creatinine and cystatin C
CKDEpi.cys              CKD-EPI equation for cystatin C
CKDEpi2021.creat        Race-free CKD-EPI equation for serum creatinine
CKDEpi2021.creat.cys    Race-free CKD-EPI equation for serum creatinine
                        and cystatin C
Convert.mgdL.mmolL      Convertion formula to change from mg/dL to
                        mmol/L and vice versa
Convert.mgdL.umolL      Convertion formula to change from mg/dL to
                        umol/L and vice versa
EKFC.creat              EKFC equation for serum creatinine
EKFC.cys                EKFC equation for cystatin C
EKFC_SF.cys             Sex-free EKFC equation for cystatin C
FAS.creat               FAS equation for serum creatinine
FAS.creat.cys           FAS equation for creatinine and cystatin C
FAS.cys                 FAS equation for cystatin C
MDRD4                   Four-parameter MDRD study equation
MDRD6                   Six-parameter MDRD study equation
Schwartz.Bedside        Bedside IDMS-traceable Schwartz GFR Calculator
                        for Children
Stevens.creat.cys       Stevens' formula for a combination of serum
                        creatinine and cystatin C
Stevens.cys1            GFR estimation using serum cystatin C
Stevens.cys2            Stevens' formula for serum cystatin C, age, and
                        sex
UACR                    Urinary albumin-to-creatinine ratio
UCR                     Urea-to-creatinine ratio
UPCR                    Urinary protein-to-creatinine ratio
Virga                   Virga's formula
nephro-package          Biostatistics utilities for nephrology
