Univariate analysis of risk factors for arterial stiffness in SLE subjects.

CAD, coronary artery disease; BMI, body mass index; SELENA, safety of estrogens in lupus erythematosus national assessment; SLEDAI, systemic lupus erythematosus disease activity index; APS, antiphospholipid syndrome.10-year risk of heart attack was calculated using the Framingham equation.Normal value for homocysteine/creatinine ratio was below 0.17.Normal value for 25(OH)-D3 vitamin was above 30 ng/ml (nanogram per liter)GRF, glomerular rate filtration, calculated with the Modification of Diet in Renal Disease (MDRD) equation and expressed in milliliters per minute per 1.73 square meters of body surface areaPWV, pulse wave velocity is expressed in meter per secondIQR, interquartile rangeSD, standard deviation