Understanding the Difference Between eGFR and GFR Tests

Discover the key differences between eGFR and GFR tests to evaluate kidney function effectively.

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eGFR (estimated Glomerular Filtration Rate) is a calculated estimate of kidney function based on a blood creatinine test, considering factors like age, sex, and race. GFR (Glomerular Filtration Rate) is a more direct measure obtained from lab tests that assess kidney filtration ability. The eGFR is useful for initial screening, while GFR is more accurate but requires more detailed testing, such as inulin clearance.

FAQs & Answers

  1. What does eGFR indicate about kidney health? eGFR indicates the estimated kidney function based on serum creatinine and demographic factors.
  2. Why is GFR more accurate than eGFR? GFR is more accurate as it directly measures kidney filtration capability using specific lab tests.
  3. How can I improve my kidney function? Improving kidney function involves maintaining a healthy diet, staying hydrated, and managing underlying health conditions.
  4. What tests are used to measure GFR? GFR can be measured using tests like inulin clearance, creatinine clearance, or using formulas based on serum creatinine.

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