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. 2011 Jun;57(6):653-61.
doi: 10.1016/j.annemergmed.2010.06.560. Epub 2010 Sep 19.

The Six-Item Screener and AD8 for the detection of cognitive impairment in geriatric emergency department patients

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The Six-Item Screener and AD8 for the detection of cognitive impairment in geriatric emergency department patients

Christopher R Carpenter et al. Ann Emerg Med. 2011 Jun.

Abstract

Study objective: We evaluate the diagnostic test characteristics of the Six-Item Screener and the AD8 to detect cognitive dysfunction in adults older than 65 years and using the emergency department (ED) for any reason.

Methods: We conducted an observational cross-sectional cohort study at a single academic urban university-affiliated hospital. Subjects were consenting, non--critically ill, English-speaking adults older than 65 years and receiving care in the ED. We quantitatively assessed the diagnostic test characteristics of the Six-Item Screener and AD8 by using the Mini-Mental State Examination score less than 24 as the criterion standard for cognitive dysfunction.

Results: The prevalence of cognitive dysfunction was 35%, but only 6% of charts noted a pre-existing deficit. The Six-Item Screener was superior to either the caregiver-administered AD8 or the patient-administered AD8 for the detection of cognitive dysfunction.

Conclusion: The Six-Item Screener was superior to the caregiver- or patient-administered AD8 to identify older adults at increased risk for occult cognitive dysfunction.

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Figures

Figure 1
Figure 1
Six-Item Screener.
Figure 2
Figure 2
AD8.
Figure 3
Figure 3
Flow diagram for patient enrollment.
Figure 4
Figure 4
A, Receiver operating characteristic curve for pAD8* compared with SIS (n=187). B, Receiver operating characteristic curve for cAD8* compared with SIS (n=132). *The ROC curves are significantly different (P = 0.002).

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