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Table 1 Definition of the FOUR score and the Glascow Coma Score

From: Inter-rater reliability of the Full Outline of UnResponsiveness score and the Glasgow Coma Scale in critically ill patients: a prospective observational study

FOUR score Glascow Coma Scale
Eye response Eye response
   4 = eyelids open or opened, tracking, or blinking to command    4 = eyes open spontaneously
   3 = eyelids open but not tracking    3 = eye opening to verbal command
   2 = eyelids closed but open to loud voice    2 = eye opening to pain
   1 = eyelids closed but open to pain    1 = no eye opening
   0 = eyelids remain closed with pain Motor response
Motor response    6 = obeys commands
   4 = thumbs-up, fist, or peace sign    5 = localising pain
   3 = localising to pain    4 = withdrawal from pain
   2 = flexion response to pain    3 = flexion response to pain
   1 = extension response to pain    2 = extension response to pain
   0 = no response to pain or generalised myoclonus status    1 = no motor response
Brainstem reflexes Verbal response
   4 = pupil and corneal reflexes present    5 = oriented
   3 = one pupil wide and fixed    4 = confused
   2 = pupil or corneal reflexes absent    3 = inappropriate words
   1 = pupil and corneal reflexes absent    2 = incomprehensible sounds
   0 = absent pupil, corneal, and cough reflex    1 = no verbal response
Respiration  
   4 = not intubated, regular breathing pattern  
   3 = not intubated, Cheyne-Stokes breathing pattern  
   2 = not intubated, irregular breathing  
   1 = breathes above ventilator rate  
   0 = breathes at ventilator rate or apnoea  
  1. FOUR score = Full Outline of UnResponsiveness.