| Variable | r | p |
| RBCs (×106/mm3) | −0.307* | 0.017 |
| Hb (g/dl) | −0.245 | 0.059 |
| Urea (mg/dl) | 0.466** | 0.010 |
| Creat (mg/dl) | 0.568** | 0.001 |
| K (meq/L) | 0.255* | 0.049 |
| PTH pg/ml | 0.446** | 0.000 |
| Ferritin ug/l | 0.290* | 0.024 |
| Chole (mg/dL) | 0.182 | 0.164 |
| TG (mg/dL) | 0.291* | 0.024 |
| ESR | 0.678** | 0001 |
| CRP | 0.599** | 0001 |
| Carotid (mm) | 0.473** | 0.008 |
| Radial (mm) | −0.085 | 0.520 |
| Femoral (mm) | 0.268* | 0.039 |
| Carotid PSV (cm/s) | −0.436* | 0.016 |