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Table 2 The Rancho Los Amigos Scale (RLAS)

From: Early postoperative cognitive dysfunction and postoperative delirium after anaesthesia with various hypnotics: study protocol for a randomised controlled trial - The PINOCCHIO trial

Level I

No response to pain, touch, sound or sight

Level II

Generalized reflex response to pain

Level III

Localized response. Blinks to strong light, turns toward/away from sound, responds to physical discomfort, inconsistent response to commands

Level IV

Confused/Agitated. Alert, performs motor activities but behavior is non purposeful, extremely short attention span

Level V

Confused/Non agitated. Gross attention to environment, highly distractible, inappropriate verbalization

Level VI

Confused/Appropriated. Inconsistent orientation to time and place, consistently follows simple directions

Level VII

Automatic/Appropriated. Skills noticeably deteriorated

Level VIII

Purposeful/Appropriate