Multiple linear regression analysis with the increase of WML score as the dependent variable
| Variable | Coefficient | Standard error | t Value | p Value |
|---|---|---|---|---|
| *During follow up. | ||||
| This analysis is based on only those 79 patients with mild or no WML (white matter high intensity lesions on T2 weighted magnetic resonance images). | ||||
| Moderate hypertension* (no=0, yes=1) | 0.53 | 0.16 | 3.28 | 0.0016 |
| Uncontrolled diabetes mellitus* (no=0, yes=1) | 0.39 | 0.13 | 2.99 | 0.0038 |
| Current smoking* (no=0, yes=1) | 0.33 | 0.16 | 2.95 | 0.04 |