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eGFR with MDRD

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      MDRD GFR Calculation       NB: Requires creatinine in umol/L
Plasma creatinine (umol/l)
Age (years)
Sex (m or f) (lower case only)
oOo

eGFR (mL/min/1.73m2):

  

Interpretation:

Formula:

 eGFR = 186 * [(Serum Creatinine x 0.0113) -1.154] * (age -0.203) * F
Where F = 1 if male, and 0.742 if female
  • Enter patient's serum creatinine, age and sex data in boxes and eGFR will be calculated according to the abbreviated MDRD Formula.
  • Suitable for adults only (>17 years of age)

CAUTION

  • Results are unreliable for eGFR > 60 mL/min/1.73m2.
  • Note that the result may differ from the true value at extremes of body composition.
  • Results will NOT reflect true GFR if patient is receiving dialysis therapy.
  • The formula has not been validated for Aboriginals, Pacific Islanders or Chinese people.
  • For African-Americans mutliply result by 1.21.
  • Results may deviate from true GFR values with extremes of body composition or dietary intake or severe liver disease.
  • The formula has NOT been validated for drug dosing. Cockcroft and Gault estimates are recommended.
  • The data is not stored electronically all transcriptions must be checked for errors.
  • Further information from Kidney Health Australia (www.kidney.org/calculator)
(with thanks to M R Holland, Knowledge in Capsular Form)
Last updated 1/11/2005