Table 3.

Stepwise multiple linear regression analysis using variables that demonstrated a significant correlation with the measured corrected TCa in the simple linear regression analysis of patients with CKD G4 + G5

Variable	Coefficient	Standardized coefficient	p
Constant	36.6		<0.0001
TCa	0.79	0.85	<0.0001
pH	−4.45	−0.33	<0.0001
Albumin	−0.27	−0.24	<0.0001
P	−0.10	−0.17	<0.0001