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एक गणना जो बताती है कि किडनी कितनी अच्छी तरह खून छानती है — सीरम क्रिएटिनिन, उम्र और लिंग से निकाली जाती है। सामान्य eGFR ≥90 mL/min/1.73m² है।
eGFR is calculated from serum creatinine levels using standardized equations. The two main formulas are: (1) CKD-EPI (Chronic Kidney Epidemiology Collaboration) — the current recommended formula, more accurate at higher GFR levels; (2) MDRD (Modification of Diet in Renal Disease) — older formula, still used in some labs. The calculation accounts for age, sex, and sometimes race. Normal eGFR is ≥90 mL/min/1.73m². A declining eGFR trend over time indicates progressive kidney damage and triggers clinical interventions to slow progression.
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This content is a general reference, not medical advice, a diagnosis, or a treatment plan. Do not change your diet, fluids, medicines, or dialysis plan without your nephrologist or renal dietitian. Individual recommendations depend on your labs, medications, conditions, and care plan.