Table 2.
Longitudinal changes in cognitive tests over 4 years.
| Intercept (SE) | DLB, points higher than AD at baseline (SE) | Differences in rate of decline per year (SE) | p Valuea | |
|---|---|---|---|---|
| CVLT List A 1–5 total | 11.62 (2.94) | 2.49 (1.33) | −0.99 (0.68) | 0.149 |
| CVLT delayed recall | −0.68 (0.83) | 1.25 (0.38) | −0.04 (0.16) | 0.805 |
| VOSP silhouettes | 14.15 (1.85) | −1.21 (0.85) | −0.36 (0.30) | 0.239 |
| BNT | 9.72 (1.00) | −0.32 (0.46) | −0.10 (0.19) | 0.595 |
| Stroop word | 55.42 (8.15) | −22.05 (3.78) | −0.21 (1.73) | 0.905 |
| Stroop Color | 34.95 (6.08) | −13.94 (2.81) | −0.19 (1.24) | 0.881 |
| Stroop Color-word | 10.50 (3.56) | −5.88 (1.65) | −0.76 (0.80) | 0.341 |
| COWAT animals | 9.32 (1.50) | −1.45 (0.67) | −0.28 (0.30) | 0.366 |
| Trail Making Test A | 150.58 (30.46) | 50.08 (14.19) | −31.77 (10.98) | 0.013b |
aDifferences in rate between AD and DLB groups were analyzed using Linear mixed effects (LME) models.
bLME fit of square root transformed to obtain a satisfactory fit.
AD, Alzheimer’s disease; BNT, Boston Naming Test; CVLT-II, California Verbal Learning Test, second edition; COWAT, Controlled Oral Word Associations Test; DLB, dementia with Lewy bodies; VOSP, Visual Object and Space Perception Battery.