Table 1 Observer’s Assessment of Alertness and Sedation (OAAS) scale (Hong et al., 2003)
Scale | Alertness degree |
|---|---|
5 | Fully awake |
4 | Drowsy |
3 | With eyes closed, but responsive to verbal stimulation immediately |
2 | With eyes closed, only responsive to physical stimulation |
1 | No response to physical stimulus |