Average creatinine levels can vary depending on a person’s age, sex, and muscle mass. However, average ranges are 0.7 to 1.2 milligrams per deciliter (mg/dL) for males and 0.5 to 1.0 for females.

In response to my recent column on creatine, a reader inquired about the difference between creatine versus creatinine. Are they related, and if so, how? Good question, and a topic that often surfaces ...

The study compared the creatinine clearance test, the gold standard for measuring preoperative renal function, with eGFR, and found no significant differences among the tests in patients with gastric ...