Fig. 4From: Delirium detection in older acute medical inpatients: a multicentre prospective comparative diagnostic test accuracy study of the 4AT and the confusion assessment methodReceiver operator characteristic curve for 4AT diagnostic accuracy. 4AT scores range from 0 to 12. The cut-point of > 3 is used in the scoring scheme to denote likely delirium. The 4AT scores are considered against the reference standard delirium assessmentBack to article page