Development and validation of a brief cognitive assessment tool: the sweet 16.

TitleDevelopment and validation of a brief cognitive assessment tool: the sweet 16.
Publication TypeJournal Article
Year of Publication2011
AuthorsFong, TG, Jones, RN, Rudolph, JL, Yang, FM, Tommet, D, Habtemariam, D, Marcantonio, ER, Langa, KM, Inouye, SK
JournalArch Intern Med
Volume171
Issue5
Pagination432-7
Date Published2011 Mar 14
ISSN Number1538-3679
KeywordsAged, Aged, 80 and over, Cognition Disorders, Cohort Studies, Dementia, Female, Humans, Male, Neuropsychological tests, Surveys and Questionnaires
Abstract

<p><b>BACKGROUND: </b>Cognitive impairment is often unrecognized among older adults. Meanwhile, current assessment instruments are underused, lack sensitivity, or may be restricted by copyright laws. To address these limitations, we created a new brief cognitive assessment tool: the Sweet 16.</p><p><b>METHODS: </b>The Sweet 16 was developed in a cohort from a large post-acute hospitalization study (n=774) and compared with the Mini-Mental State Examination (MMSE). Equipercentile equating identified Sweet 16 cut points that correlated with widely used MMSE cut points. Sweet 16 performance characteristics were independently validated in a cohort from the Aging, Demographics, and Memory Study (n=709) using clinical consensus diagnosis, the modified Blessed Dementia Rating Scale, and the Informant Questionnaire on Cognitive Decline in the Elderly (IQCODE).</p><p><b>RESULTS: </b>The Sweet 16 correlated highly with the MMSE (Spearman r, 0.94; P<.001). Validated against the IQCODE, the area under the curve was 0.84 for the Sweet 16 and 0.81 for the MMSE (P=.06). A Sweet 16 score of less than 14 (approximating an MMSE score <24) demonstrated a sensitivity of 80% and a specificity of 70%, whereas an MMSE score of less than 24 showed a sensitivity of 64% and a specificity of 86% against the IQCODE. When compared with clinical diagnosis, a Sweet 16 score of less than 14 showed a sensitivity of 99% and a specificity of 72% in contrast to an MMSE score with a sensitivity of 87% and a specificity of 89%. For education of 12 years or more, the area under the curve was 0.90 for the Sweet 16 and 0.84 for the MMSE (P=.03).</p><p><b>CONCLUSIONS: </b>The Sweet 16 is simple, quick to administer, and will be available open access. The performance of the Sweet 16 is equivalent or superior to that of the MMSE.</p>

URLhttp://archinte.ama-assn.org/cgi/content/abstract/archinternmed.2010.423v1
DOI10.1001/archinternmed.2010.423
User Guide Notes

http://www.ncbi.nlm.nih.gov/pubmed/21059967?dopt=Abstract

Endnote Keywords

Older people/Cognition/reasoning/Correlation analysis/Medical diagnosis/Dementia/Hospitalization

Endnote ID

25220

Alternate JournalArch. Intern. Med.
Citation Key7529
PubMed ID21059967