Table 1.
Demographic characteristics of the study group
| Total group (n = 152) | Converters (n = 55) | Non-converters (n = 97) | |
|---|---|---|---|
| Mean age in years, (SD) | 72.5 (6.6) | 73.4 (6.6) | 72.0 (6.7) |
| Mean years of education (SD) | 15 (3) | 15 (3) | 15 (3) |
| Gender (% male) | 54.2 % | 48.1 % | 57.6 % |
| MMSE (SD) | 27.9 (1.8) | 26.9 (1.9) | 27.9 (1.7)** |
| Mean T-WMH score (SD) | 13.4 (8.4) | 13.7 (9.7) | 13.1 (7.7) |
| Mean PVH score (SD) | 3.6 (1.2) | 3.9 (1.4) | 3.5 (1.1) |
| Mean D-WMH score (SD) | 7.3 (5.4) | 7.4 (6.2) | 7.2 (5.0) |
| Mean basal ganglia score (SD) | 1.5 (2.2) | 1.5 (2.2) | 1.6 (2.3) |
| Mean infratentorial score (SD) | 0.9 (1.7) | 0.9 (1.8) | 0.9 (1.7) |
| Number of subjects with lacunes | 13 | 7 | 6 |
| Mean MTA score (SD) | 1.2 (0.8) | 1.3 (0.9) | 1.1 (0.7)* |
D-WMH Deep White Matter Hyperintensities; PVH Periventricular Hyperintensities; T-WMH Total White Matter Hyperintensities
*
P < 0.05;
**
P < 0.001