Table 4.

Correlation analysis with TRACP5b and other parameters

Parameter	R	P
Laboratory data
Hemoglobin	−0.150	< 0.001
eGFR	−0.129	0.001
Total protein	0.007	0.854
Albumin	−0.073	0.071
Alkaline phosphatase	0.247	< 0.001
Magnesium	0.072	0.122
Calcium	0.062	0.108
Corrected calcium	0.037	0.367
Phosphorus	0.100	0.009
TP1NP	0.400	< 0.001
OPG	0.204	0.001
Sodium	−0.041	0.291
Potassium	−0.021	0.584
Chloride	−0.113	0.004
Log CRP	−0.060	0.071
Log BNP	0.188	< 0.001
Echocardiography
LVEF	−0.077	0.109
LVMI	0.090	0.025
Left atrial volume	0.017	0.733
TR-PG	0.025	0.564
IVC	−0.047	0.246
RV FAC	0.015	0.816
Cardiopulmonary exercise test
Peak VO2	−0.159	0.012
VE/VCO2 slope	0.180	0.004

BNP, B-type natriuretic peptide; CRP, C-reactive protein; eGFR, estimated glomerular filtration rate; IVC, inferior vena cava; LVEF, left ventricular ejection fraction; LVMI, left ventricular mass index; OPG, osteoprotegerin; RV FAC, right ventricular fractional area change; TP1NP, total procollagen type I intact N-terminal propeptide; TRACP5b, tartrate-resistant acid phosphatase type 5b; TR-PG, tricuspid regurgitation pressure gradient; VE/VCO₂ slope, slope of the relationship between ventilation and carbon dioxide production; VO₂, breath-by-breath oxygen consumption.