Table 2.

Regression analysis: Associations of serum PAG (Ln) with 24-hour urinary excretion and eGFR (n=200)

Variable	Unit	Univariate			Multivariate
		β	P Value	R2	β	Standardized β	P Value	R2
24-h Urinary excretion (Ln)	Micromoles per 24 h	0.92	<0.001	0.36	0.85	0.55	<0.001	0.82
eGFR (Ln)	Milliliters per minute per 1.73 m2	−1.33	<0.001	0.52	−1.25	−0.68	<0.001	0.82

Ln, natural logarithmic transformation.