Medical Calculator – SonDoctor.com
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Estimated Glomerular Filtration Rate (eGFR) Calculator
This calculator simultaneously computes four estimated glomerular filtration rate (eGFR) formulas.
※Body weight is only needed for Cockcroft-Gault formula.
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eGFR (1): Cockcroft-Gault formula (mL/min)
eGFR (2): MDRD formula (mL/min/1.73㎡)
eGFR (3): CKD-EPI (2009) creatinine formula (mL/min/1.73㎡)
eGFR (4): CKD-EPI (2021) creatinine formula (mL/min/1.73㎡)
Formulas Used in This Calculator
(1) Cockcroft-Gault Equation (mL/min)
- Male : 1, Female : 0.85
- Scr : mg/dL
(2) MDRD eGFR (mL/min/1.73m²)
- Male : 1, Female : 0.742
- Black : 1.212, Non-black : 1
- Scr : mg/dL
(3) CKD-EPI (2009) eGFR (mL/min/1.73m²)
| Sex | k | a | sex multiplier | race (Black) |
|---|---|---|---|---|
| Male | 0.9 | -0.411 | 1.000 | 1.159 |
| Female | 0.7 | -0.329 | 1.018 | 1.159 |
(4) CKD-EPI (2021) eGFR (mL/min/1.73m²)
| Sex | k | a | sex multiplier |
|---|---|---|---|
| Male | 0.9 | -0.302 | 1.000 |
| Female | 0.7 | -0.241 | 1.012 |
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