GFR (Kidney Function) Estimator
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Estimate glomerular filtration rate — for general education, not diagnosis.
GFR estimates kidney filtering function and is a key marker for kidney disease staging — this is a simplified educational version; real clinical use requires lab-verified creatinine and a validated calculator with your full demographic inputs, interpreted by a doctor.
simplified CKD-EPI 2009 equation (male, non-Black demo values)