Diagnostic utility of the NAB List Learning test in Alzheimer's disease and amnestic mild cognitive impairment

Brandon E Gavett, Sabrina J Poon, Al Ozonoff, Angela L Jefferson, Anil K Nair, Robert C Green, Robert A Stern

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Measures of episodic memory are often used to identify Alzheimer's disease (AD) and mild cognitive impairment (MCI). The Neuropsychological Assessment Battery (NAB) List Learning test is a promising tool for the memory assessment of older adults due to its simplicity of administration, good psychometric properties, equivalent forms, and extensive normative data. This study examined the diagnostic utility of the NAB List Learning test for differentiating cognitively healthy, MCI, and AD groups. One hundred fifty-three participants (age: range, 57-94 years; M = 74 years; SD, 8 years; sex: 61% women) were diagnosed by a multidisciplinary consensus team as cognitively normal, amnestic MCI (aMCI; single and multiple domain), or AD, independent of NAB List Learning performance. In univariate analyses, receiver operating characteristics curve analyses were conducted for four demographically-corrected NAB List Learning variables. Additionally, multivariate ordinal logistic regression and fivefold cross-validation was used to create and validate a predictive model based on demographic variables and NAB List Learning test raw scores. At optimal cutoff scores, univariate sensitivity values ranged from .58 to .92 and univariate specificity values ranged from .52 to .97. Multivariate ordinal regression produced a model that classified individuals with 80% accuracy and good predictive power. (JINS, 2009, 15, 121-129.).

Original languageEnglish
Pages (from-to)121-9
Number of pages9
JournalJournal of the International Neuropsychological Society
Volume15
Issue number1
DOIs
Publication statusPublished - Jan 2009
Externally publishedYes

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