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KMID : 0605720110170010030
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Journal of the Korean Society of Biological Therapies in Psychiatry
2011 Volume.17 No. 1 p.30 ~ p.37
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Clinical Usefulness of Combined Korean Boston Naming Test and Delayed Recall Test in Diagnosing Dementia of the Alzheimer’s Type
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Cha Young
Lee Jun-Yeop
Kim Jin-Sung
Lee Jong-Bum
Koo Bon-Hoon
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Abstract
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Objectives:The purpose of this study was to establish that Korean Boston Naming Test(K-BNT) and the delayed recall test of Seoul Verbal Learning Test(SVLT) applied together may be useful for clinician to diagnose dementia of the Alzheimer’s type(DAT).
Methods:We compared the results of K-BNT and the delayed recall test of SVLT between DAT group(N=30) and control group(N=30) without any cognitive impairment. Also, we made Receiver Operating Characteristic Curve(ROC curve) of K-BNT and the delayed recall test of SVLT for the two groups.
Results:The scores of K-BNT and the delayed recall test of SVLT of patients group with DAT were significantly lower than those of control group. K-BNT and the delayed recall test of SVLT showed the positive correlation with KMMSE. The cut-off values of K-BNT and the delayed recall test of SVLT determined by ROC curve were z=-0.58 score (28.10‰) and z=-1.35 score(8.86‰), respectively. The sensitivities and specificities of K-BNT and the delayed recall of SVLT in order to diagnose DAT were 63.3% vs 90.0% and 73.0% vs 73.0%, respectively. When these two tests applied together, the sensitivity and specificity were 50.0% and 100%.
Conclusion:This study is suggested that the use of these two tests at the same time may be the useful screening test to diagnose DAT.
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KEYWORD
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Dementia of the Alzheimer’s type, Korean Boston Naming test, Delayed recall test, Sensitivity, Specificity
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