Interactive worksheet
MDRD GFR Estimator
Explanation and Clinical Context The MDRD equation used here is the original four variable model intended to estimate glomerular filtration rate adjusted to a body surface area of 1.73 square meters. The equation requires serum creatinine in mg per dL age in years sex and an indicator for black ethnicity. The formula is eGFR equals 186 times serum creatinine to the power of minus 1.154 times age to the power of minus