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Table 1 Definition of Sedation–Agitation Scale scores*

From: Safety and efficacy of analgesia-based sedation with remifentanil versus standard hypnotic-based regimens in intensive care unit patients with brain injuries: a randomised, controlled trial [ISRCTN50308308]

Score Definition Description
1 Patient is not rousable Patient may move or grimace minimally to stimuli but does not communicate or follow commands
2 Patient is very sedated Patient can be roused by physical stimuli but does not communicate or follow commands; may move spontaneously
3 Patient is sedated Patient is difficult to rouse, awakens to verbal stimuli or gentle shaking but drifts off again; will follow simple commands
  1. *The Sedation-Agitation Scale score is a seven point scale score [15], but only scores 1–3 were required for our study.