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 her ...

The estimated glomerular filtration rate (eGFR) is a blood test to assess kidney function. The formula for calculating eGFR takes the patient’s body size, age, and sex into account to predict how well ...

DEAR DR. ROACH: Last summer, a city policeman came to my door. My doctor had been unable to contact me with the results of a recent blood test and called the police. The policeman handed me a card ...

The most significant eGFR declines were seen in individuals who had short weekday sleep duration and long weekend sleep duration. A longer weekend sleep duration was associated with reduced estimated ...