Table 1.
Comparison of the mean relative power between baseline and 6 months of follow-up, for all frequency bands in the different tasks
| Baseline | 6 months | Wilcoxon test | |
|---|---|---|---|
| Mean ± SD | Mean ± SD | p value | |
| Frequency bands | |||
| Rest | |||
| Delta | 24.40 ± 28.42 | 27.89 ± 32.84 | 0.678 |
| Theta | 29.44 ± 39.07 | 22.60 ± 22.68 | 0.767 |
| Alpha | 83.99 ± 116.49 | 66.99 ± 72.35 | 0.767 |
| Beta | 14.01 ± 7.22 | 18.17 ± 9.38 | 0.374 |
| MA | |||
| Delta | 23.62 ± 13.61 | 31.92 ± 31.96 | 0.859 |
| Theta | 21.17 ± 25.04 | 25.03 ± 29.64 | 0.953 |
| Alpha | 47.87 ± 53.53 | 43.21 ± 30.95 | 0.859 |
| Beta | 12.90 ± 5.54 | 18.58 ± 6.92 | 0.086 |
| HP | |||
| Delta | 26.39 ± 24.82 | 110.44 ± 208.11 | 0.859 |
| Theta | 31.54 ± 43.18 | 38.05 ± 40.63 | 0.678 |
| Alpha | 48.11 ± 53.66 | 68.81 ± 69.98 | 0.086 |
| Beta | 13.51 ± 6.23 | 21.95 ± 12.70 | 0.214 |
| BR | |||
| Delta | 73.75 ± 65.75 | 74.23 ± 65.57 | 0.110 |
| Theta | 22.83 ± 22.86 | 22.08 ± 17.64 | 0.767 |
| Alpha | 30.55 ± 40.99 | 28.48 ± 24.90 | 0.767 |
| Beta | 10.88 ± 4.58 | 16.74 ± 6.51 | 0.139 |
MA mental arithmetic task, HP hyperpnoea, BR opening and closing eyes