Vitamin D Status, Disease Activity, and Endothelial Dysfunction in Early Rheumatoid Arthritis Patients

Table 3

Differences of FMD, HOMA-IR, and 25(OH) vitamin D between moderate and high disease activity RA patients.

Parameter	Disease activity
	Moderate	High
Number of patients	4	31
DAS28	4.63 ± 0.26	6.64 ± 0.73	<0.0001
FMD (%)	8.88 ± 0.88	7.23 ± 0.82	<0.05
HOMA-IR	4.27 ± 1.23	6.13 ± 1.92	<0.05
25(OH) vitamin D	19.15 ± 0.72	14.35 ± 2.49	<0.0001