| Scale | Label | Description | |
| +4 | Combative | Overtly combative, violent, immediate danger to staff | OBSERVATION |
| +3 | Very agitated | Pulls or removes tubes or catheter; aggressive | |
| +2 | Agitated | Frequent non-purposeful movements fight the ventilator | |
| +1 | Restless | Anxious but movements not aggressive vigorous | |
| 0 | Alert and Calm | Spontaneously pays attention to care giver | |
| −1 | Drowsy | Not fully alert, but has sustained awakening (Eye-opening/eye contact) to voice (≥10 seconds) | VOICE |
| −2 | Light sedation | Briefly awakens with eye contact to voice (≤10 seconds) | |
| −3 | Moderate sedation | Movement or eye-opening to voice (but not eye contact) | |
| −4 | Deep sedation | No response to voice, but movement or eye opening to physical stimulation. | TOUCH |
| −5 | Unarousable | No response to Voice or physical stimulation | |