| Parameter | Score 0 | Score 1 | Score 2 |
| Palpebral reflex | Brisk reflex present | Reduced or sluggish reflex | Absent |
| Corneal reflex | Present | Decreased | Absent |
| Jaw tone | Marked resistance to mouth opening | Moderate resistance | Flaccid, no resistance |
| Eye position | Central | Ventromedial rotation | Central position associated with deep anesthesia |
| Pupil size | Dilated | Intermediate | Constricted |
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