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

Table 4

Correlations between 25(OH) vitamin D and disease activity, insulin resistance, and endothelial function in RA patients.

Correlation	RA patients
	Whole group	Moderate disease activity group	High disease activity group
25(OH) vitamin D-DAS28
	25(OH) vitamin D-HOMA-IR
25(OH) vitamin D-FMD