Medical Calculator – SonDoctor.com
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Estimated Glomerular Filtration Rate (eGFR) Calculator (2)
CKD-EPI Creatinine-Cystatin C equation (2021)
Serum Creatinine (mg/dL) :
Serum Cystatin C (mg/L) :
Age (year) :
|
eGFR (1) : CKD-EPI (2021) Creatinine formula (mL/min/1.73㎡)
eGFR (2) : CKD-EPI (2012) Cystatin C formula (mL/min/1.73㎡)
eGFR (3) : CKD-EPI (2021) Cr-Cystatin C formula (mL/min/1.73㎡)
Formulas Used in This Calculator
(1) CKD-EPI (2021) Creatinine eGFR (mL/min/1.73m²)
| Sex | k | a | sex multiplier |
|---|---|---|---|
| Male | 0.9 | -0.302 | 1.000 |
| Female | 0.7 | -0.241 | 1.012 |
(2) CKD-EPI (2012) Cystatin C eGFR (mL/min/1.73m²)
- F : Male = 1, Female = 0.742
(3) CKD-EPI (2021) Creatinine – Cystatin C eGFR (mL/min/1.73m²)
| Sex | S | a1 | F |
|---|---|---|---|
| Male | 0.9 | -0.144 | 1.000 |
| Female | 0.7 | -0.219 | 0.963 |
