Frequently Asked Questions
Find answers to common questions about using the eGFR Calculator
How is the accuracy of the eGFR Calculator ensured?
All calculations are based on internationally recognized medical formulas including MDRD, CKD-EPI, and Cockcroft-Gault. We regularly update our algorithms to stay at the forefront of latest medical research.
How do I choose the right formula for me?
Typically, your doctor will recommend the appropriate formula based on your specific situation. Generally, CKD-EPI is suitable for broad populations, while MDRD is commonly used for those with elevated creatinine; Cockcroft-Gault is used when considering weight.
What should I do if my eGFR value appears abnormal?
If you find your eGFR value unexpected, please consult healthcare professionals. Calculation results are for reference only and cannot replace professional medical advice.
Why is the calculator free?
We are committed to making important health information easily accessible to everyone, therefore we don't set any access restrictions. This is our commitment to public health.
Can eGFR be used to diagnose all types of kidney diseases?
eGFR is mainly used for assessing kidney function and detecting chronic kidney disease, but specific diagnoses still require other clinical evaluations and test results.
Can the eGFR Calculator be used for pregnant women?
Kidney function may be affected by pregnancy, it's recommended to conduct eGFR assessment under healthcare professional guidance.
Will my weight fluctuations affect eGFR calculation results?
Yes, especially when using the Cockcroft-Gault formula, weight has a certain impact on calculation results.
Does the calculator save my personal data after use?
We take user data privacy very seriously. The eGFR Calculator website uses modern encryption technology to ensure all input information is secure during calculation. Moreover, we don't save any user data, protecting your privacy is our top priority.
Why is patient ethnicity sometimes considered?
Some calculation formulas may have adjustment coefficients for different ethnicities to improve result accuracy. Therefore, this factor's consideration is necessary under specific conditions.