| 90–100 | Awake |
| 80–90 | Anesthesia stage I – light sedation |
| 60–80 | Anesthesia stage II – sedation |
| 40–60 | Anesthesia stage III – surgical state |
| 30–40 | Anesthesia stage IV – deep anesthesia, BS (burst – suppression) patterns emerge |
| 20–30 | Anesthesia stage V – deeper anesthesia compared to stage IV, length of suppression episodes may reach 10 seconds |
| 0–10 |
Anesthesia stage VII – extremely deep anesthesia, suppression episodes constitute 75% and more of the whole signal duration |
According to a generally accepted classification of anesthesia stages.