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Table 1 Confusion assessment method questions and source of information

From: Prevention of delirium (POD) for older people in hospital: study protocol for a randomised controlled feasibility trial

Question Source of information
1. Acute onset and fluctuating course Ward staff or relative/carer who knows the patient’s baseline mental status and has observed the patient over time
Medical/nursing notes, including the baseline Abbreviated Mental Test Score
2. Inattention Informal general conversation
Formal cognitive testing: Abbreviated Mental Test Score [46], months of the year backwards test [47]
3. Disorganised thinking Informal general conversation
Formal cognitive testing: Abbreviated Mental Test Score [46], months of the year backwards test [47]
4. Altered level of consciousness Ward staff
Informal general conversation
Observation
  1. Confusion Assessment Method. © 1988, 2003, Hospital Elder Life Program. Used with permission