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Brief Screening for Mild Cognitive Impairment in Elderly Outpatient Clinic: Validation of the Korean Version of the Montreal Cognitive Assessment

Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Boramae Hospital, benji@ snu.ac.kr

Dong Woo Lee

Department of Psychiatry, College of Medicine, Inje University Seoul, Korea

Seong-Jin Cho

Department of Psychiatry, Gachon Medical School Incheon, Korea

Duk L. Na

Department of Neurology, Sungkyunkwan University School of Medicine, Samsung Medical Center

Hong Jin Jeon

Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Boramae Hospital

Shin-Kyum Kim

Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Boramae Hospital

You Ra Lee

Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Boramae Hospital

Jung-Hae Youn

Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Boramae Hospital

Miseon Kwon

Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine Seoul, Korea

Jae-Hong Lee

Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine Seoul, Korea

Maeng Je Cho

Department of Psychiatry and Behavioral Science, Seoul National University College of Medicine, Boramae Hospital

The Montreal Cognitive Assessment (MoCA) is a brief cognitive screening tool with high sensitivity for screening patients with mild cognitive impairment (MCI). The authors examined the validity and reliability of the Korean version of the MoCA (MoCA-K) in elderly outpatients. The MoCA-K, a Korean version of the Mini-Mental State Examination (MMSE), Clinical Dementia Rating (CDR) scale, and neuropsychological batteries were administered to 196 elderly persons (mild Alzheimer's disease [AD] = 44, MCI = 37, normal controls [NC] = 115). MoCA-K scores were highly correlated with those of MMSE and CDR. Using a cutoff score of 22/23, the MoCA-K had an excellent sensitivity of 89% and a good specificity of 84% for screening MCI. Internal consistency and test–retest reliability were good. The results obtained show that the MoCA-K is brief, reliable, and suitable for use as a screening tool to screen MCI patients in elderly outpatient clinic settings.

Key Words: MoCA-K • mild cognitive impairment • Alzheimer's • cognitive assessment • dementia

Journal of Geriatric Psychiatry and Neurology, Vol. 21, No. 2, 104-110 (2008)
DOI: 10.1177/0891988708316855


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