Table 3 EEG-vigilance stages (in % of all artifact free 1-sec segments across 20 min of EEG recording). Mean differences between T1 and T2 and respective Spearman correlation confidents (N = 27)
From: Test-retest reliability of brain arousal regulation as assessed with VIGALL 2.0
EEG-vigilance stages | T1 | T2 | Z (p) | rho (p) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
proportion (SD) | range | proportion (SD) | range | |||||||
stage 0 | 5.61 | (8.81) | .00-33.73 | 3.04 | (5.63) | .00-23.99 | −2.30 | (.022) | .529 | (.005) |
stage A | 49.23 | (25.83) | 1.51-94.43 | 44.23 | (31.54) | 2.17-97.46 | −1.97 | (.049) | .855 | (.000) |
sub-stage A1 | 32.08 | (17.02) | .50-66.97 | 30.07 | (23.80) | .42-96.10 | −1.07 | (.285) | .680 | (.000) |
sub-stage A2 | 12.56 | (14.70) | .17-48.12 | 10.48 | (14.70) | .17-66.16 | −1.38 | (.167) | .700 | (.000) |
sub-stage A3 | 4.59 | (8.54) | .00-39.10 | 3.68 | (8.08) | .00-38.43 | −1.09 | (.276) | .776 | (.000) |
stage B | 36.52 | (18.69) | 3.51-76.45 | 40.76 | (23.42) | 2.20-83.69 | −1.39 | (.163) | .569 | (.002) |
sub-stage B1 | 18.62 | (15.28) | .67-50.88 | 17.15 | (16.37) | .34-54.49 | −1.09 | (.313) | .590 | (.001) |
sub-stage B23 | 17.89 | (14.12) | .09-48.28 | 23.61 | (17.30) | .00-57.18 | −2.15 | (.032) | .657 | (.000) |
stage C | 8.65 | (12.18) | .00-41.05 | 11.97 | (17.23) | .00-56.06 | −1.24 | (.215) | .859 | (.000) |