Your male patient has a creatinine excretion level of 8 mg/kg body weight/day. What does this indicate?
a. It is normal.
b. There is mild muscle wasting.
c. There is moderate muscle wasting.
d. There is severe muscle wasting.
ANS: D
Predicted values are based on gender and height, with reference values of approximately 18 mg/kg body weight/day for women to approximately 23 mg/kg body weight/day for men. Values of 60% to 80% of predicted indicate a mild deficit of muscle mass; 40% to 60% indicate a mod-erate deficit, and less than 40% of predicted suggest a severe depletion of muscle mass.
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