Stepwise regression analyses with indices of vascular function as dependent variables, and demographic and biochemical data as independent variables in the whole group of PHPT patients and controls.

AIx = augmentation index, PWVao = aortic pulse wave velocity, IMTcca = intima media thickness in both left and right common carotid artery, IMTrad = intima media thickness in right radial artery, IM-GSM = intima media grayscale median in both left and right common carotid artery, SBP = systolic blood pressure, PTH = parathyroid hormone, P = plasma, S = serum, S-Ca++ = ionized calcium, PTH = parathyroid hormone, S-25-OH-D = 25 hydroxyvitamin D.