Relationship between Serum Indoxyl Sulfate and Klotho Protein and Vascular Calcification in Patients with Chronic Kidney Disease Stages 3–5

Table 4

Independent risk factor for abdominal aortic calcification.

Independent variable	B	SE	Wald	OR (95% CI)	P value
Age (years)	0.259	0.080	10.365	1.295 (1.106, 1.516)	0.001
IS (pg/mL)	0.024	0.009	6.812	1.024 (1.006, 1.043)	0.009
Klotho (ng/mL)	−6.320	3.035	4.336	0.002 (0.000, 0.690)	0.037

. IS, indoxyl sulfate.