Table 3.
EEG grading in the low-normal and high normal PaCO2 groups at ICU admission and at the end of the intervention
| EEG gradea | ICU admission | End of intervention | ||||||
|---|---|---|---|---|---|---|---|---|
| Low-normal PaCO2 | High-normal PaCO2 | Normoxia | Moderate hyperoxia | Low-normal PaCO2 |
High-normal PaCO2 |
Normoxia | Moderate hyperoxia | |
| 1 | 17 (29) | 14 (24) | 19 (32) | 12 (20) | 43 (73) | 35 (59) | 43 (73) | 35 (59) |
| 2 | 3 (5) | 2 (3) | 1 (2) | 4 (7) | 3 (5) | 4 (7) | 4 (7) | 3 (5) |
| 3 | 39 (66) | 43 (73) | 39 (66) | 43 (73) | 13 (22) | 20 (34) | 12 (20) | 21 (36) |
| p = 0.710 | p = 0.167 | p = 0.294 | p = 0.181 | |||||
Data are presented as n (%) of patients
EEG electroencephalography, PaCO2 arterial carbon dioxide tension, ICU intensive care unit
aEEG grading system for continuous EEG findings following cardiac arrest according to Crepeau et al.: mild (grade 1), moderate (grade 2) and severe (grade 3)