Table 1.

Equations to predict glomerular filtration rate using serum creatininea

Reference (No. and Type of Subject)Formula
Original MDRDb (22) (n = 1628, CKD)(170) × (Cr)−0.999 × (age)−0.176 × (urea)−0.170 × (albumin)0.318 × (0.762 if female) × (1.18 if black)
Abbreviated MDRD (23) (n = 1628, CKD)(186) × (Cr)−1.154 × (age)−0.203 × (0.742 if female) × (1.21 if black)
Cockcroft-Gault (26) (n = 236, 96% male)[(140 − age) × (weight)]/[Cr × 72] × (0.85 if female)
Nankivellc (15) (n = 146, renal transplant)[6700/(Cr × 88.4)] + (weight/4) − (urea/2) − [100/(height)2] + 35 (if male) or 25 (if female)
Walser (25) (n = 85, CKD)[7.57/(Cr × 0.0884)−1] − (0.103 × age) + (0.096 × weight) − 6.66 if male
[6.05/(Cr × 0.0884)−1] − (0.08 × age) + (0.08 × weight) − 4.81 if female
Jelliffe (21) (not published)98 − 16[(Age − 20)/20]/Cr × (0.9 if female)
Mawer (24) (n = 16, no other details)weight × [29.3 − (0.203 × age)] × [1 − (0.03 × Cr)]/(14.4 × Cr) × (70/weight) if male
weight × [25.3 − (0.175 × age)] × [1 − (0.03 × Cr)]/(14.4 × Cr) × (70/weight) if female
• a Cr, serum creatinine in mg/dl; weight in kilograms; MDRD, Modification of Diet in Renal Disease; CKD, chronic kidney disease.

• b Urea in mg/dl, albumin in g/dl.

• c Urea in mmol/L, height in meters.