Table 3.

Interrelationships between study variables according to Spearman's rank correlation coefficient.

	Phosphate	25OHD	1,25(OH)2D	FGF-23	Renin	Aldosterone
Phosphate	—	−0.031	−0.131	0.242∗∗∗	0.071	0.237∗∗∗
25OHD	−0.031	—	0.205∗∗	−0.048	0.157	0.048
1,25(OH)2D	−0.131	0.205∗∗	—	−0.262∗∗∗	−0.056	−0.067
FGF-23	0.242∗∗∗	−0.048	−0.262∗∗∗	—	0.171	0.126
Renin	0.071	0.157	−0.056	0.171∗	—	0.321∗∗∗
Aldosterone	0.237∗∗∗	0.048	−0.067	0.126	0.321∗∗∗	—

^∗; ^∗∗; ^∗∗∗ P < 0.05, P < 0.01, P < 0.001. 25OHD: 25-hydroxyvitamin D; 1,25(OH)₂D: 1,25-dihydroxyvitamin D; FGF: fibroblast growth factor.