Table 4.
Quantitative EEG characteristics.
| DLB/AD+ | DLB/AD− | AD | |
|---|---|---|---|
| (n = 41) | (n = 41) | (n = 41) | |
| Delta power | 0.42 (0.23) | 0.41 (0.25) | 0.32 (0.18)ab |
| Theta power | 0.26 (0.13) | 0.34 (0.19) | 0.18 (0.10)ab |
| Alpha 1 power | 0.09 (0.10) | 0.07 (0.06) | 0.15 (0.15)ab |
| Alpha 2 power | 0.04 (0.04) | 0.04 (0.03) | 0.09 (0.09)ab |
| Beta power | 0.08 (0.08) | 0.06 (0.04) | 0.15 (0.04)ab |
| Peak frequency (Hz) | 6.9 (1.17) | 6.8 (1.03) | 8.4 (1.8)ab |
| Peak frequency variability (Hz) | 0.48 (0.25) | 0.38 (0.22) | 0.4 (0.38) b |
| Theta/alpha-ratio | 0.6 (0.2) | 0.8 (0.2) | 0.4 (0.3)ab |
| Phase lag index (PLI)* | 0.137 (0.035) | 0.142 (0.038) | 0.177 (0.076)ab |
| Minimum spanning tree (MST)* | |||
| Highest degree | 0.175 (0.038) | 0.188 (0.056) | 0.213 (0.063)ab |
| Leaf number | 0.550 (0.050) | 0.550 (0.081) | 0.575 (0.063)a |
| Diameter | 0.400 (0.038) | 0.413 (0.050) | 0.388 (0.056) |
| Tree hierarchy | 0.384 (0.039) | 0.387 (0.050) | 0.395 (0.049) |
Data are median (IQR) \textsl ap < 0.05 for DLB/AD+ vs. AD, \textsl bp < 0.05 for DLB/AD− vs. AD (Kruskal Wallis test). *Alpha band.