From: New anthropometry-based age- and sex-specific reference values for urinary 24-hour creatinine excretion based on the adult Swiss population
Variable
Parameter
Coefficient
P -value
Intercept
β0
266.16
<0.001
Sex (if women)
β1
−47.71
BMI (kg/m2)
β2
−2.33
Age (years)
β3
0.66
0.05
Age2 (years2)
β4
−0.017