Oral Calcidiol Is More Effective Than Cholecalciferol Supplementation to Reach Adequate 25(OH)D Levels in Patients with Autoimmune Diseases Chronically Treated with Low Doses of Glucocorticoids: A “Real-Life” Study

Table 4

Factors linked to suboptimal 25(OH)D levels in the univariate and multiple logistic regression model, in the average of annual determinations.

Factor	Univariate logistic regression analysis		Multiple logistic regression analysis
	value	OR (95% CI)	value	OR (95% CI)
Age	0.88	1.00 (0.98–1.02)	NS
BMI	0.32	1.03 (0.97–1.10)	NS
Prednisone dosage (mg/d)	0.011	1.230 (1.04–1.39)	0.03	1.20 (1.04–1.39)
Calcidiol versus cholecalciferol	0.027	0.439 (0.21–0.91)	0.03	0.44 (0.21–0.93)