Method | Progressive MCI | Nonprogressive MCI | P | Cohen d |
12 mo | ||||
PET | 0.25 ± 0.31 | 0.10 ± 0.23 | 0.0087 | 0.55 |
ADAS-cog | 2.3 ± 4.5 | 1.0 ± 4.1 | NS | 0.30 |
24 mo | ||||
PET | 0.45 ± 0.39 | 0.21 ± 0.31 | 0.0014 | 0.68 |
ADAS-cog | 4.1 ± 5.1 | 1.3 ± 4.1 | 0.0058 | 0.60 |
NS = not statistically significant.
Data are mean difference ± SD, compared with baseline.