Dement Neurocogn Disord.  2015 Dec;14(4):137-142. 10.12779/dnd.2015.14.4.137.

Constructing a Composite Score for the Seoul Neuropsychological Screening Battery-Core

Affiliations
  • 1Department of Psychology, Sungkyunkwan University, Seoul, Korea.
  • 2Department of Neurology, Samsung Medical Center, College of Medicine, Sungkyunkwan University, Seoul, Korea.
  • 3Department of Psychology, Hallym University, Chuncheon, Korea. ykang@hallym.ac.kr
  • 4Department of Neurology, Hallym University Sacred Heart Hospital, Anyang, Korea.

Abstract

BACKGROUND AND PURPOSE
The brief version of the Seoul Neuropsychological Screening Battery (SNSB), the SNSB-Core (SNSB-C), has been developed. Although each subtest score of the SNSB-C provides information on different features of broad cognitive functioning or impairment, a composite score is needed to identify the severity of global cognitive impairment. We aimed to develop and validate a composite score of the SNSB-C that would provide a normative-based summary score of global cognitive functioning, especially for differentiating patients with cognitive impairment from normal elderly.
METHODS
A normative sample of 1067 elderly was used to develop a composite score of SNSB-C. The composite score was corrected for the effects of age, years of education, and sex by the regression method. Patients with Alzheimer's disease (n=41), vascular dementia (n=40), amnestic mild cognitive impairment (MCI) (n=73), vascular MCI (n=41), and Parkinson's disease with MCI (n=41) were differentiated from a normal sample (n=70) by the uncorrected and corrected composite scores using receiver operating characteristic (ROC) curve analysis.
RESULTS
Confirmatory factor analysis showed that the composite score equal weight to each standardized cognitive domain of SNSB-C is appropriate for indexing overall cognitive functioning. The corrected and uncorrected composite scores yielded a satisfactory size of the area under the ROC curve comparable to the Mini Mental State Examination (MMSE).
CONCLUSIONS
The composite scores of SNSB-C, especially the corrected score, provide an index of overall cognitive functioning, and they can be used as an alternative to MMSE for screening patients with cognitive impairment.

Keyword

Seoul Neuropsychological Screening Battery; Seoul Neuropsychological Screening Battery-Core; composite score; Mini Mental State Examination

MeSH Terms

Abstracting and Indexing as Topic
Aged
Alzheimer Disease
Dementia, Vascular
Education
Humans
Mass Screening*
Mild Cognitive Impairment
Parkinson Disease
ROC Curve
Seoul*
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