Creatinine levels are influenced by a variety of factors related to muscle mass, including age, sex and race, which is why those variables are accounted for in eGFRcalculations. Ranges for normal ...

DEAR DR. ROACH: I am a 73-year-old female. A recent blood test returned an eGFR (estimated glomerular filtration rate) of 59. My physician’s nurse told me that the test was normal. When I asked ...

Understanding your creatinine levels is important for monitoring kidney function. When you go for your yearly check-up, you'll likely have a routine blood test for creatinine. In some cases… ...

Dear Dr. Roach: Each year when I receive results from my yearly bloodwork I notice that my GFR score keeps going down. This year is the first year that my score dropped below 60, with a score of 57.

Creatinine is a natural waste product that builds up in your blood as your muscles work. Creatine helps your muscles create energy when you move big objects or work out at a high-intensity level.

The Kidney Disease Outcomes Quality Initiative and Kidney Disease Improving Global Outcomes, for example, both recommend using metformin as a first-line agent among individuals with an eGFR of ≥ ...

The eGFR test is the most widely-used formula to calculate kidney function. It measures creatinine, a waste product of muscles, and factors in age, sex, weight - and race.