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health.MDRD-GFR Calculator
Calculates eGFR using the MDRD 4-variable equation from creatinine, age, and sex, including original race adjustment for historical comparison. MDRD underestimates GFR above 60 mL/min — CKD-EPI 2021 is preferred for all new clinical reporting.
Inputs
Creatinine Mg Dl
Reference formula or conversion factor shown for context.
Age Years
Age in completed years. Many health and fitness formulas adjust for age.
Sex 1F 0M
Reference formula or conversion factor shown for context.
Bun Mg Dl
Reference formula or conversion factor shown for context.