Your test results may not mean you have a problem. Ask your healthcare provider what your test results mean for you. The normal range for GFR depends on your age, weight, r and muscle mass. In most healthy people, the normal GFR is 90 or higher.

What is GFR based on?

Therefore, GFR is usually estimated from the person’s serum creatinine and/or cystatin C level, in combination with demographic factors such as age, race, and gender using an estimating equation. Use serum creatinine with age, gender, and race in the recommended CKD-EPI creatinine equation (2009).

What is GFR and factors affecting GFR?

Factors affecting G.F.R. Changes in renal blood flow Changes in glomerular capillary hydrostatic pressure Changes in systemic blood pressure Afferent or efferent arteriolar constriction Changes in hydrostatic pressure in Bowman’s capsule Ureteral obstruction Edema of kidney inside tight renal capsule Changes in …