Carotid intima media thickness, mm (mean±SD) or n (%)
| Cases (n=149) | Controls (n=126) | P value | |
| Baseline | 0.606±0.129 | 0.632±0.129 | 0.10 |
| 5-year follow-up | 0.644±0.120 | 0.657±0.134 | 0.39 |
| Change per year | 0.008±0.015 | 0.005±0.020 | 0.24 |
| Any increase at 5-year follow-up | 108 (72.5) | 84 (66.7) | 0.36 |
| Regression at 5-year follow-up | 41 (27.5) | 42 (33.3) | 0.30 |