In Schwaz formula for calculation of creatinine clearance in a child, the constant depends on the following EXCEPT
Schwaz formula (for creatine clearance in child) is Creatinine clearance = K x height/creatinine K = constant that depends upon age, muscle mass, method of creatinine estimation.
Age
Method of estimation of creatinine
Mass
Severity of renal failure
Acute and Chronic Kidney Disease