Kidney Function Level 33. Your gfr number tells you how much kidney function you have as kidney disease gets worse the gfr number goes down. It may be estimated from your blood level of creatinine.
The normal range for kidney function numbers is between 80 and 129. Improved blood sugar eliminates the number one cause of kidney disease. A gfr of 60 or higher is in the normal range.
As kidney disease progresses the level of creatinine in the blood rises.
It may be estimated from your blood level of creatinine. The nijmegen biomedical study is a population based cross sectional study conducted in the eastern part of the netherlands. Your gfr tells how much kidney function you have. This will vary between men and women and it is dependent on muscle mass.