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Calculator: Glomerular filtration rate (GFR) by CKD-EPI equation in adults (conventional and SI units)


Calculator: Glomerular filtration rate (GFR) by CKD-EPI equation in adults (conventional and SI units)

 
Input
 
Sex Female

Male
Age  
Serum creatinine  

 
Results
 
Important: Inputs must be complete to perform calculation.

 
 
GFR   mL/min/1.73 m2
 
Decimal precision  

 
 

 
Notes
  • GFR is estimated by an equation developed by the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI).
  • Other GFR estimation methods are discussed in UpToDate topic reviews on the assessment of kidney function.

 
Equations used
 
GFR = 142 * min(Serum creatinine/kappa, 1)alpha * max(Serum creatinine/kappa, 1)-1.2 * 0.9938Age * SexFactor

 

 
Calculation details and variables
  • For females, the following values are used: SexFactor = 1.012; alpha = -0.241; kappa = 0.7
  • For males, the following values are used: SexFactor = 1; alpha = -0.302; kappa = 0.9

 
Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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All information contained in and produced by the EBMcalc system is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. THIS INFORMATION IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER. Click here for full notice and disclaimer.

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Topic 15635 Version 16.0