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Validation of the Hungarian version of Alzheimer’s Disease Assessment Scale-Cognitive Subscale (ADAS-Cog) in patients with mild cognitive impairment


Papp, Edina, Pákáski, Magdolna, Drótos, Gergely, Kálmán, János


Psychiatria Hungarica: A Magyar Pszichiátriai Társaság Tudományos Folyóirata, Volume: 27, No.: 6, Pages.: 426-434

Year of Publication



Introduction: Early recognition of mild cognitive impairment (MCI) has increasing clinical relevance in the treatment process of dementia, since it is considered as prodromal period. A great variety of instruments have been developed for measuring cognitive performance of the demented patients. The cognitive subscale of the Alzheimer’s Disease Assessment Scale (ADAS-Cog) is one of the most frequently applied instrument to determine the severity of dementia and the efficiency of pharmacotherapy. The aim of this study is to examine the sensitivity parameters of the Hungarian ADAS-Cog in differentiating healthy elderly from MCI patients, furthermore to compare the sociodemographic data of the two groups.; Methods: Fourty-five patients with MCI and 47 healthy subjects (HS) participated in the study. Their age variated between 52 and 88 years, the mean age was 68.8 (standard deviation=8.6). The mean of the years of education was 11.8 (standard deviation=3.5). Mental state was determined by ADAS-Cog and Mini-Mental State Examination (MMSE) and Beck Depression Inventory (BDI) was used to exclude depression. Data analysis was performed with SPSS 17.; Results: There were no significant differences between the two groups considering the sociodemographic data. The total score of ADAS-Cog is the most sensitive index (AUC: 0.875, sensitivity: 95.6%) for determining MCI, although the ratio of false positive cases was very high (specificity: 70.2%). The cut-off scores of the ADAS-Cog in the Hungarian sample were higher than the findings in previous researches. Positive correlation between age and ADAS-Cog total score was only significant in the HS group. On the other hand, negative correlation was found between education and ADAS-Cog total score in the MCI group.; Conclusion: These results indicate that the currently used Hungarian ADAS-Cog is able to distinguish between MCI patients and HS groups. However, the adaptation of the Hungarian version will be necessary during the further standardization process including the cultural and linguistic aspects.;


aged, aged, 80 and over, alzheimer disease, area under curve, diagnosis, educational status, female, humans, hungary, language, male, middle aged, mild cognitive impairment, neuropsychological tests, psychology, psychometrics, questionnaires, reproducibility of results, sensitivity and specificity, severity of illness index, standards, translations

Countries of Study


Types of Dementia

Mild Cognitive Impairment (MCI)

Types of Study

Instrument development and testing (cross walking of measures, etc.)

Type of Outcomes


Type of Interventions

Diagnostic Target Identification

Diagnostic Targets

Cognition testing (inc. task driven tests such as clock drawing)