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 3

25(OH)D levels in different seasons of the year: (a) total; (b) cholecalciferol; (c) calcidiol.

(a)

				= 147	%
25(OH)D	Optimal		≥30 ng/mL	81	55.1%
Spring-summer	Suboptimal	Insufficient	15–30 ng/mL	51	34.7%
		Deficient	<15 ng/mL	15	10.2%
25(OH)D	Optimal		≥30 ng/mL	55	42.3%
Autumn-winter	Suboptimal	Insufficient	15–30 ng/mL	60	46.2%
		Deficient	<15 ng/mL	15	11.5%
25(OH)D	Optimal		≥30 ng/mL	69	46.9%
Average per year	Suboptimal	Insufficient	15–30 ng/mL	60	40.8%
		Deficient	<15 ng/mL	18	12.2%

(b)

				= 86	%
25(OH)D	Optimal		≥30 ng/mL	44	51.2%
Spring-summer	Suboptimal	Insufficient	15–30 ng/mL	34	39.5%
		Deficient	<15 ng/mL	8	9.3%
25(OH)D	Optimal		≥30 ng/mL	26	35.6%
Autumn-winter	Suboptimal	Insufficient	15–30 ng/mL	36	49.3%
		Deficient	<15 ng/mL	11	15.1%
25(OH)D	Optimal		≥30 ng/mL	36	41.9%
Average per year	Suboptimal	Insufficient	15–30 ng/mL	35	40.7%
		Deficient	<15 ng/mL	15	17.4%

(c)

				= 49	%
25(OH)D	Optimal		≥30 ng/mL	33	67.3%
Spring-summer	Suboptimal	Insufficient	15–30 ng/mL	11	22.4%
		Deficient	<15 ng/mL	5	10.2%
25(OH)D	Optimal		≥30 ng/mL	27	58.7%
Autumn-winter	Suboptimal	Insufficient	15–30 ng/mL	17	37.0%
		Deficient	<15 ng/mL	2	4.3%
25(OH)D	Optimal		≥30 ng/mL	30	61.2%
Average per year	Suboptimal	Insufficient	15–30 ng/mL	17	34.7%
		Deficient	<15 ng/mL	2	4.1%