Table 5 Summary of levels of anaesthesia, what EEG states they relate to and sample sizes.
From: Peak and averaged bicoherence for different EEG patterns during general anaesthesia
Sedation level | Meaning | Including EEG states | Sample size | |
|---|---|---|---|---|
| Â | Â | Â | Number of observations | Number of subjects |
1 | Awake | 2, 3 & 4 | 169 | 40 |
2 | Drowsy/very light anaesthesia | 5 | 11 | 5 |
3 | Light anaesthesia | 6 | 14 | 4 |
4 | Moderate anaesthesia | 7 | 444 | 31 |
5 | Deep moderate anaesthesia | 8 | 999 | 40 |
6 | Deep anaesthesia | 9 | 159 | 24 |