eGFR CALCULATOR
with cystatin C and/or creatinine
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About eGFR
eGFR (Estimated Glomerular Filtration Rate): This is plotted on one axis and represents the kidney's filtering capacity. It is usually measured in milliliters per minute per 1.73 m². The eGFR is divided into categories (G1 to G5), with G1 being normal or high kidney function and G5 indicating kidney failure.
Albuminuria: This is plotted on the other axis and measures the amount of albumin (a type of protein) in the urine. It is an indicator of kidney damage. Albuminuria is divided into categories (A1 to A3), with A1 being normal to mildly increased and A3 being severely increased.
Color Coding:
The heat map uses a color-coded system to indicate the risk level associated with different combinations of eGFR and albuminuria. The colors typically range from:
- Green (low risk)
- Yellow (moderate risk)
- Orange (high risk)
- Red (very high risk)
Each cell in the heat map corresponds to a specific combination of eGFR and albuminuria, providing a visual representation of the patient's risk level.
Kidney Disease Risk Assessment
| GFR Categories (ml/min/1.73m²) | A1 Normal to mildly increased <30 mg/g <3 mg/mmol | A2 Moderately increased 30-299 mg/g 3-29 mg/mmol | A3 Severely increased ≥300 mg/g ≥30 mg/mmol | |
|---|---|---|---|---|
| G1 | Normal or high ≥90 | |||
| G2 | Mildly decreased 60-89 | |||
| G3a | Mildly to moderately decreased 45-59 | |||
| G3b | Moderately to severely decreased 30-44 | |||
| G4 | Severely decreased 15-29 | |||
| G5 | Kidney failure <15 | |||
