Levey et al used an equation to predict the glomerular filtration rate (GFR) for a patient based on the serum creatinine level and other clinical data.
Patient population: adults
Parameters for the equation:
(1) serum creatinine in mg/dL
(2) age of the patient in years
(3) gender
(4) race
Parameters
Findings
Points
gender
female
0.742
male
1
race
African-American
1.210
other
1
where:
• "Other race" definitely includes Caucasians. I am not sure how well other races are represented.
GFR in mL per min per 1.73 square meters BSA =
= 186 * ((serum creatinine in mg/dL)^(-1.154)) * ((age of the patient in years)^(-0.203)) * (gender points) * (racial points)
Performance:
• The equation is useful for GFRs up to 90 mL per min per 1.73 square meter BSA (page S83, Kasiske, 2002).
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