Enter the weight, age, and serum creatinine into the calculator to determine the Fry score, which is used to estimate kidney function.
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Fry Formula
The following formula is used to calculate the Fry score:
Fry Score = (Weight / (72 * Serum Creatinine)) * (140 - Age)
Variables:
- Weight is the body weight of the person in pounds.
- Age is the age of the person in years.
- Serum Creatinine is the level of creatinine in the blood, measured in milligrams per deciliter (mg/dL).
To calculate the Fry score, divide the weight by the product of 72 and the serum creatinine level, then multiply the result by the difference between 140 and the person’s age.
What is the Fry Formula?
The Fry formula is a method used to estimate kidney function, specifically the glomerular filtration rate (GFR). It takes into account a person’s age, weight, and serum creatinine levels. The Fry score is particularly useful in clinical settings to adjust medication dosages and to monitor the progression of kidney disease.
How to Calculate the Fry Score?
The following steps outline how to calculate the Fry score:
- First, determine the weight of the person in pounds.
- Next, determine the age of the person in years.
- Next, determine the serum creatinine level in mg/dL.
- Use the Fry formula to calculate the score.
- After inserting the variables and calculating the result, check your answer with the calculator above.
Example Problem:
Use the following variables as an example problem to test your knowledge.
Weight = 150 pounds
Age = 65 years
Serum Creatinine = 1.2 mg/dL
