Table 3.

Estimated slope (s) and statistical significance of a multiple regression for AAMA and GAMA in µg/g creatinine (after normalization by logarithmic transformation using natural logarithm, ln) and age in years regression for AAMA and GAMA in µg/g creatinine and age in years in children and teenagers. ***: $p<0.001$, **: $p<0.01$.

Variable	AAMA (ln(µg/g Creat.)/Year)	GAMA(ln(µg/g Creat.)/Year)
Age (years)	s: −0.04, ***	s: −0.072, ***
Sampling year	s: 0.04, **	s: 0.061, ***