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

Table 1

Demographic data in RA patients and controls.

Parameter	Value (mean ± standard deviation)
	RA patients	Controls
Sex [n (%)]	35	35
Males	12 (34.28%)	12 (34.28%)
Females	23 (65.72%)	23 (65.72%)
Mean age (years)	55.6 ± 9.74	54.14 ± 6.28
Mean length of RA evolution (months)	14.25 ± 5.27	—
The drugs used by the RA patients in the moment of investigation	Methotrexate (30 patients; 13.28 ± 2.25 mg/week) and leflunomide (5 patients; 20 mg/day)	—