Baseline characteristics of patients with WMHs and controls without WMHs
| Category | Patients with WMHs | Controls (n=16) | P value | |
| ≤5 WMLs (n=16) | >5 WMLs (n=16) | |||
| Age (mean±SD, year) | 44.06±6.13 | 44.00±6.89 | 42.75±6.26 | 0.81 |
| Female, n (%) | 7 (43.8) | 6 (37.5) | 6 (37.5) | 0.917 |
| Current smoker, n (%) | 3 (18.8) | 3 (18.8) | 2 (12.5) | 1 |
| Alcohol user, n (%) | 0 (0.0) | 1 (6.3) | 3 (18.8) | 0.304 |
| Hypertension, n (%) | 1 (6.3) | 3 (18.8) | 2 (12.5) | 0.859 |
| Diabetes mellitus, n (%) | 0 (0.0) | 0 (0.0) | 1 (6.3) | 1 |
| Hyperlipidaemia, n (%) | 2 (12.5) | 5 (31.3) | 3 (18.8) | 0.556 |
| Lacunes, n(%) | 0 (0.0) | 3 (18.6) | 0 (0.0) | 0.097 |
| CMBs, n(%) | 1 (6.3) | 1 (6.3) | 0 (0.0) | 1 |
CMBs, cerebral microbleeds; WMH, white matter hyperintensity; WML, white matter lesion.