Table 2 Clinical and neuropsychological features of the case series at entry subdivided according with the hierarchical cluster analysis into subgroup A and subgroup B (see text)
From: Brain glucose metabolism in Lewy body dementia: implications for diagnostic criteria
| Â | Subgroup A | Subgroup B | Sign. |
|---|---|---|---|
Visual hallucinations (%) | 43.9% | 58.1% | .234 |
Cognitive fluctuations (%) | 26.8% | 29.0% | .836 |
Parkinsonism (%) | 85.4% | 90.3% | .529 |
Disease duration (mean ± sd) | 2.43 ± 2.13 | 2.52 ± 1.53 | 0.835 |
MMSE (mean ± sd) | 19.96 ± 4.39 | 16.24 ± 4.87 | 0.003* |
Attentive matrices (mean ± sd) | 28.05 ± 12.75 | 16.29 ± 12.03 | 0.003* |
Clock drawing test (mean ± sd) | 2.28 ± 2.95 | 0.37 ± 1.16 | 0.013* |
Corsi span forward (mean ± sd) | 2.02 ± 1.89 | 2.29 ± 1.59 | 0.673 |
Digit span forward (mean ± sd) | 4.83 ± 0.99 | 4.38 ± 1.64 | 0.23 |
Semantic fluency (mean ± sd) | 22.05 ± 9.47 | 20.06 ± 9.48 | 0.462 |
Phonemic fluency (mean ± sd) | 16.03 ± 11.08 | 12.71 ± 11.47 | 0.302 |
Raven’s Colored Progressive Matrices (mean ± sd) | 19.17 ± 6.74 | 13.61 ± 9.65 | 0.04* |
Rey figure—copy (mean ± sd) | 11.53 ± 10.77 | 9.77 ± 9.71 | 0.623 |
Rey figure—delayed recall (mean ± sd) | 4.63 ± 4.12 | 4.33 ± 4.16 | 0.84 |
Rey Verbal Learning Test (mean ± sd) | 2.46 ± 2.95 | 1.72 ± 2.75 | 0.496 |
Short story—delayed recall (mean ± sd) | 5.2 ± 3.42 | 4.69 ± 5.66 | 0.727 |