Assessment scales for delirium: A review

Table 1 Scales for assessment of delirium in clinical and research setting

Instruments for assessment of arousability of the patient	RASS[9]
Instruments for screening for premorbid cognitive disturbances	IQCODE[10,11]
Screening instruments	NEECHAM Confusion Scale[12]
	Nursing Delirium Screening Scale[13]
	Delirium Observation Screening Scale/Delirium Observation Scale[14,15]
	Intensive care delirium screening checklist[16]
	Pediatric Anesthesia Emergence Delirium scale[17]
	Global Attentiveness Rating[18]
Diagnostic instruments	Delirium Symptom Interview[19]
	Saskatoon Delirium Checklist[20]
	Delirium Rating Scale-revised version[21]
	Memorial Delirium Assessment Scale[22]
	Confusion Assessment Method[23]
	CAM-ICU[24,25]
	Paediatrics CAM-ICU[26]
	Clinical Assessment of Confusion - A and B[27,28]
Instruments for Assessment of severity of delirium	Delirium Rating Scale[29]
	Delirium Rating Scale-Revised-98[21]
	Confusion Assessment Method[23]
	Confusion Assessment Method for Intensive Care Unit assessment tool[24,25]
	Delirium-O-Meter[30]
	Delirium Index[31]
	Memorial Delirium Assessment Scale[22]
	Confusional State Evaluation Scale[32]
	Delirium Assessment Scale[33]
	Delirium Severity Scale[34]
Instruments for assessment of cognitive symptoms only	Mini Mental Status Examination[35]
	Cognitive Test for Delirium[36,37]
	Clock Drawing test[38]
	Digit Span Test[39,40]
	Vigilance “A” Test[40]
	Mental state Questionnaire[41,42]
	Short Portable Mental Status Questionnaire[43]
Motor symptoms	Delirium Motor Checklist, Delirium Motor Symptom Scale[44,45]
	Richmond Agitation and Sedation Scale[9]
	Motoric items of Delirium Rating Scale, Delirium Rating Scale-Revised-98, Memorial Delirium Assessment Scale[21,22,29]
Etiology, risk factors	Delirium Etiology Checklist[46]
Paediatric delirium	Pediatric Anesthesia Emergence Delirium scale[17]
Distress with delirium experience	Delirium Experience Questionnaire[47]

CAM-ICU: Confusion Assessment Method for Intensive Care Unit assessment tool.