Vitamin D Binding Protein Is Not Involved in Vitamin D Deficiency in Patients with Chronic Kidney Disease

Table 3

Overview of significant correlations of vitamin D and vitamin D binding protein in the study groups.

Chronic kidney disease patients
25-OH vitamin D3	VDBP in serum	25-OH vitamin D3/VDBP ratio	VDBP in urine
Haemoglobin; (, ); Proteinuria; (, ); Protein losses; (, ); Diuresis; (, )	Age; (, )	Haemoglobin; (, )	Proteinuria; (, ); Protein losses; (, ); Serum creatinine; (, ); Creatinine clearance; (, )
Long-term haemodialysis patients
25-OH vitamin D3	VDBP in serum	25-OH vitamin D3/VDBP ratio
Calcium; (, )	Albumin; (, ); BMI; (, )
Controls
25-OH vitamin D3	VDBP in serum	25-OH vitamin D3/VDBP ratio
No significant correlation.

VDBP: vitamin D binding protein.