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Published on: October 13, 2016
Validity of auditory verbal learning test in diagnosis of Alzheimer's disease
Xia Hong1, Zhen-xin Zhang, Li-yong Wu
1Department of Psychological Medicine,Xuanwu Hospital, Capital Medical University, Beijing 100053, China.
Objective:
To assess the validity of World Health Organization-University of California-Los Angeles Auditory Verbal Learning Test (WHO-UCLA AVLT) in the diagnosis of Alzheimer's disease (AD).
Methods:
Using WHO-UCLA AVLT, we assessed 183 AD patients (AD group),1283 subjects with normal cognitive status (normal control group), and 134 individuals suffered from other diseases easy to be confused with AD (confused control group).
Results:
The AVLT score was 40.9∓0.3 in normal control group, 30.7∓0.9 in confused control group, 16.6∓1.0 in mild AD group, and 10.2∓1.2 in moderate AD group after adjustment for educational level, age, sex, and rural/urban residence (all P<0.05). With the 5th percentage of the overall score as the cutoff point, this tool showed a sensitivity of 86.3% and a specificity of 93.3%.
Conclusion:
WHO-UCLA CVLT is highly sensitive and specific in the diagnosis of AD.
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