ArticleJournal of clinical neurology (Seoul, Korea)2026
Verification of Efficacy of Cognitive Function Test Using the Cognitive Impairment Screening Test.
Article in Journal of clinical neurology (Seoul, Korea), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
background and purposeThe Cognitive Impairment Screening Test (CIST) was developed to detect early-stage cognitive impairment. The clinical utility of this test has not yet been validated in real-world settings. This study compared the diagnostic performance of the CIST with that of the previously used screening test (PST).
methodsWe used research data from the ANSYS database of the National Institute of Dementia, Republic of Korea. Individuals who underwent screening tests between 2017 and 2023 were analyzed. Scores were compared among participants stratified by age, sex, and education duration. The discriminative performance of both screening tests in detecting cognitive impairment was assessed. The equipercentile equating method was used to enable score conversion between the CIST and PST.
resultsIn total, 7,492,613 individuals (CIST: 3,195,129; PST: 4,297,484) were analyzed. The average screening score was higher for PST than for CIST. A larger proportion of cognitively impaired individuals was identified by the CIST (12.68%) than by the PST (10.72%,
conclusionsThis study supports the validity and utility of the CIST as a screening tool for cognitive impairment. The CIST outperformed the PST in predictive accuracy. However, direct score conversion between the two tests should be approached with caution.
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