Kidney Function Of 70. Renal function in the elderly 70 years old measured by means of iohexol clearance serum creatinine serum urea and estimated clearance gfr decreases by approximately 1 05 ml min per year in very old persons. 13 although a gfr cut off of 60 ml min was used as recommended some subjects classified as normal renal function could be classified as mild renal insufficiency gfr 60 89 ml min.

Kidney function can fluctuate through the course of a day so this test provides a look at the average function of the kidneys. Your gfr number tells you how much kidney function you have as kidney disease gets worse the gfr number goes down. Dichotomization of predicted gfr to moderate renal insufficiency 60 ml min or normal renal function 60 ml min is based on the national kidney foundation practice guidelines for chronic kidney disease.
People may lose up to 90 per cent of their kidney function before getting any symptoms.
Your doctor will want to investigate the cause of your kidney disease and continue to check your kidney function to help plan your treatment. Renal function in the elderly 70 years old measured by means of iohexol clearance serum creatinine serum urea and estimated clearance gfr decreases by approximately 1 05 ml min per year in very old persons. Is it really possible that half of the population older than 70 has chronic kidney disease. 13 although a gfr cut off of 60 ml min was used as recommended some subjects classified as normal renal function could be classified as mild renal insufficiency gfr 60 89 ml min.