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Related Experiment Videos

The abbreviated mental test: its use and validity.

S Jitapunkul1, I Pillay, S Ebrahim

  • 1Department of Health Care of the Elderly, Royal London Hospital Medical College.

Age and Ageing
|September 1, 1991
PubMed
Summary

The Abbreviated Mental Test (AMT) effectively identifies cognitive impairment in elderly patients. A new 7-item version (AMT7) shows similar validity and improved sensitivity for detecting abnormal cognitive function.

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Area of Science:

  • Geriatric Medicine
  • Cognitive Assessment
  • Neurology

Background:

  • Cognitive impairment is prevalent in elderly patients with acute illness.
  • Accurate and efficient cognitive screening tools are essential for timely diagnosis and management.
  • The Abbreviated Mental Test (AMT) is a widely used cognitive screening tool.

Purpose of the Study:

  • To validate the Abbreviated Mental Test (AMT) against clinical diagnoses in elderly patients with acute illness.
  • To develop and evaluate a shorter version of the AMT (AMT7) for improved clinical utility.

Main Methods:

  • A consecutive sample of 168 elderly patients admitted with acute illness were assessed.
  • The Abbreviated Mental Test (AMT) was administered and compared with final clinical diagnoses.
  • A new 7-item version (AMT7) was developed and its psychometric properties were analyzed.

Main Results:

  • Abnormal cognitive function was identified in 58 (34%) of the patients.
  • A cut-off score of less than 8 on the AMT suggested abnormal cognitive function.
  • The AMT7 demonstrated equivalent validity, internal consistency, and domain coverage to the AMT, with higher sensitivity.

Conclusions:

  • The Abbreviated Mental Test (AMT) is a valid tool for assessing cognitive function in elderly patients with acute illness.
  • The newly developed AMT7 offers comparable validity and improved sensitivity, potentially enhancing junior doctors' performance in clinical practice.

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