Table 2.
EEG microstate duration, occurrence, contribution and mean GFP analysis results of all DOC patients (41 cases).
| Class A | Class B | Class C | Class D | |||||
|---|---|---|---|---|---|---|---|---|
| Baseline (Mean ± SD) | HBO-20 min (Mean ± SD) | Baseline (Mean ± SD) | HBO-20 min (Mean ± SD) | Baseline (Mean ± SD) | HBO-20 min (Mean ± SD) | Baseline (Mean ± SD) | HBO-20 min (Mean ± SD) | |
| Duration (s) | 0.048 ± 0.021 | 0.053 ± 0.025 | 0.047 ± 0.021 | 0.050 ± 0.022 | 0.043 ± 0.018 | 0.051 ± 0.025 ※ | 0.048 ± 0.024 | 0.047 ± 0.022 |
| Occurrence (s−1) | 6.614 ± 3.074 | 6.238 ± 2.793 | 6.417 ± 3.299 | 6.075 ± 2.401 | 6.783 ± 4.170 | 6.061 ± 2.497 | 6.558 ± 2.479 | 6.200 ± 2.880 |
| Contribution (%) | 0.258 ± 0.066 | 0.265 ± 0.077 | 0.248 ± 0.061 | 0.250 ± 0.065 | 0.236 ± 0.059 | 0.249 ± 0.065 | 0.259 ± 0.081 | 0.236 ± 0.051 |
| Mean GFP (mV) | 7.719 ± 3.206 | 8.018 ± 4.044 | 7.805 ± 3.343 | 7.994 ± 3.996 | 7.701 ± 3.427 | 8.002 ± 4.068 | 8.003 ± 3.314 | 7.967 ± 3.829 |
※Indicates the t-test result was significant (p < 0.05).
The duration of microstate C in 41 patients was significantly increased after 20 min of HBO therapy compared with the corresponding pretreatment duration (p < 0.05). Other microstate parameters did not change significantly.