Table 6. 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.
| Variable | Model for AIx | Model for PWVao | Model for IMTcca | Model for IMTrad | Model for IM-GSM | |||||
| R2 = 0.58, p<0.001 | R2 = 0.37, p<0.001 | R2 = 0.29, p<0.001 | R2 = 0.07, p<0.05 | R2 = 0.18, p<0.001 | ||||||
| β | p-value | β | p-value | β | p-value | β | p-value | β | p-value | |
| Age, years | 0.65 | <0.001 | 0.27 | <0.05 | 0.39 | <0.001 | – | – | – | – |
| Gender | 0.29 | <0.001 | – | – | – | – | – | – | – | – |
| SBP, mmHg | – | – | 0.44 | <0.001 | 0.26 | <0.05 | 0.28 | <0.05 | – | – |
| Height, cm | – | – | – | – | – | – | – | – | 0.37 | <0.01 |
| Weight, kg | – | – | – | – | – | – | – | – | −0.63 | <0.001 |
| P-PTH | – | – | – | – | – | – | – | – | – | – |
| S-Ca++ | – | – | – | – | – | – | – | – | – | – |
| P-Phosphate | −0.21 | <0.01 | – | – | – | – | – | – | – | – |
| S-25-OH-D | – | – | – | – | – | – | – | – | – | – |
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.