Table 3.

Spearman Correlation Matrix for the Studied Biomarkers and Clinical Characteristics

	Osteopontin	Osteocalcin	Osteoprotegerin	FGF23	Calcium Score
Bone-related markers
Osteopontin	1	0.57**	0.56**	0.49**	0.32*
Osteocalcin	0.57**	1	0.55**	0.74**	−0.16
Osteoprotegerin	0.57**	0.55**	1	0.59**	0.57**
FGF23	0.49**	0.74**	0.59**	1	0.20
Imaging marker
Calcium score	0.32*	−0.16	0.57**	0.20	1
Clinical characteristics
age	0.14821	−0.15	0.42**	−0.14	0.62**
eGFR	−0.61**	−0.78**	−0.68**	−0.81**	−0.02
CRP	0,21	0.17882	0.33*	0.20	0.19
Procalcitonin	0,20	0.54**	0.36*	0.65**	0.03
pH	0,07	0.34*	0.33*	0.55**	0.02
Total protein	−0.10	−0.27*	−0.38*	−0.35*	−0.05
Albumin	0.01	0.22	−0.31*	0.18	−0.21
Ionized calcium	−0.14	−0.43*	−0.50**	−0.49**	−0.19
Total calcium	−0.26*	−0.26	−0.46**	−0.16	−0.31*
Phosphorus	0.20	0.66**	0.37*	0.75**	0.04
Parathyroid hormone	0.20	0.76**	0.26*	0.69**	−0.03
Vitamin D	−0.14	−0.16	−0.11	−0.18	0.25

Notes: Correlation coefficients are presented (*Indicates coefficients significant at alpha = 0.05 and **Indicates coefficients significant at Bonferroni corrected alpha =0.0029).

Abbreviations: CRP, C-reactive protein; eGFR, estimated glomerular filtration rate; FGF, fibroblast growth factor.