string: Postoperatively, patients were assessed in the Post Anaesthesia Care Unit (PACU) within the hour for sedation levels (using Ramsay Sedation Score [12] of 1 = anxious, agitated or restless; 2 = cooperative, orientated, tranquil; 3 = responds to commands; 4 = asleep but brisk response to light glabellar tap or loud auditory stimulus; 5 = asleep,
  sluggish response to light glabellar tap or loud auditory stimulus; 6 = asleep, no response), pain intensity (on Visual Analogue Score, VAS 0–10), incidence of nausea and vomiting, need for rescue analgesia (IV fentanyl 25 μg boluses) and anti-emetics (IV metoclopramide 10 mg).