EPI21
CKD-EPI
CKD-EPI GFR EQUATIONS
CKD-EPI
CKD-EPI CYSTATIN C (2012)
CKD-EPI CYSTATIN C-CREATININE (2012)
MDRD STUDY
ml/min
. (All values expressed in ml/min/1.73 m
2
)
Serum Cr
Serum Cys C
(mg/L)
Age (yrs)
Race
Gender
mg/dL
μmol/L
AA
O*
M
F
Chronic kidney disease (GFR less than 60 or kidney damage for at least 3 months)
MDRD STUDY EQ
CKD-EPI CREATININE EQ (2009)
CKD-EPI CYSTATIN C (2012)
CKD-EPI CYSTATIN C-CREATININE (2012)
TRACEABLE TO IDMS
?
N
Y
*O=All ethnic groups other than African American. Cr=creatinine. Cys=cystatin. Eq=Equation.
Remove Body Surface Area Adjustment to Express GFR in ml/min
Height
feet - inches
centimeters
Weight
pounds
kilograms
BSA (m
2
) = (W
0.425
x H
0.725
) x 0.007184
Unadjusted CKD-EPI eGFR (ml/min) = eGFR (ml/min/1.73 m
2
) x BSA (m
2
) / 1.73
BSA =
UNADJUSTED GFR
CKD-EPI CR EQ (2009)
CKD-EPI CYS C EQUATION (2012)
CKD-EPI CYS C-CR EQ (2012)
MDRD STUDY EQ
____
____
____
____
ml/min
.
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