No abstract available.
Dementia*

No abstract available.
Dementia*

No abstract available.
Aged* ; Classification* ; Dementia* ; Gyeongsangbuk-do* ; Humans ; Prevalence*

No abstract available.
Aged* ; Classification* ; Dementia* ; Gyeongsangbuk-do* ; Humans ; Prevalence*

The concept of vascular dementia is not still established. Its pathogenesis is not completely understood, either. It may be different among the subtypes, e.g., ischemic, hemorrhaginc, or Binswanger's disease. In this article epidemiology of vascular dementia was reviewed, based on the important findings regarding to prevalence, ethnic difference in prevalence, incidence, risk factors, and natural history and survival. We have to wait for more elegant concept of and better understanding of vascular dementia.
Cerebrovascular Disorders ; Dementia, Vascular* ; Epidemiology* ; Incidence ; Natural History ; Prevalence ; Risk Factors

No abstract available.
Aged* ; Dementia* ; Gyeongsangbuk-do* ; Humans ; Prevalence*

No abstract available.
Aged* ; Dementia* ; Gyeongsangbuk-do* ; Humans ; Prevalence*

OBJECTIVES: This study aimed at investigating the diagnostic predictability of Cognitive Impairment Diagnosing Instrument(CIDI) in diagnosing dementia of elderly people aged 60 years or more. METHODS: The subjects were 129 patients with other mental diseases than dementia whose ages were more than 60 years and 86 patients with dementia. Psychiatric diagnoses were made by according to the DSM-IV criteria. Converted age(chronological age minus 59) was employed for the statistical reason. The length of education was classified into 4 intervals:1 for less than one year schooling, 2 for grade schooling, 3 for junior or senior high schooling and 4 for college or more schooling and each number expresses ordinal scale. The converted age, length of education expressed by one of 4 interval scores, and total CIDI score were independent variables while the diagnosis(dementia vs nondementia) was dependent variable in the logistic regression analysis. RESULTS: -2 log likelihood was 102.773 when the length of education, converted age and total CIDI score were included while it was 289.395 when only the constant was included(K 2=186.622, df=3, p=0.000). The goodness-of-fit statistic was 156.798(K 2=6.5843, df=8, p=0.5821), and the overall concordance of diagnostic classification was 90.2%. The logistic regression equation for the diagnosis of dementia was generated as follows:y=7.5752+0.0940*X 1+0.9820*X 2-0.1811*X 3(y=ln{pai/(1-pai)}, X 1:converted age, X 2:education intervals, X 3:total CIDI score, pai:possibility of dementia, > OR =0.50 indicating dementia and <0.50 indicating nondementia). The e bs(95% C.I.) for the converted age, education interval and total CIDI score were 1.0985(1.0107-1.1940), 2.6699(1.4134-5.0436), 0.8344(0.7898-0.8815), respectively. CONCLUSIONS: The CIDI could be considered as a useful diagnostic tool for dementia using the logistic regression analysis.
Aged ; Classification ; Cognition ; Dementia* ; Diagnosis* ; Diagnostic and Statistical Manual of Mental Disorders ; Education ; Humans ; Logistic Models

OBJECTIVE: Exploration of the questionable Alzheimer disease is important for accurate estimation of prevalence and incidence, understanding the natural history, and evaluation of treatment strategies for the Alzheimer disease. Subjects and METHODS: We compared neuropsychological test performances among 14 nondemented controls, 14 elderly persons with questionable dementia of the Alzheimer type and 14 elderly persons with mild dementia of the Alzheimer type. The test performances analyzed were the digit span of the Korean Adult Wechsler Intelligence Scale, registration, short term memory and long term memory of the Cognitive Impairment Diagnosing Instrument, and paired association learning and logical memory of the Wechsler Memory Scale. RESULTS: There was significant difference between questionable dementia of the Alzheimer type and controls in the long-term memory, short-term memory, immediate and delayed recalls of the logical memory, and easy association. But the subjects with questionable and mild dementia of the Alzheimer type scored similarly on all tests except the long-term memory. CONCLUSION: These findings suggest that questionable Alzheimer disease may be the very early Alzheimer disease.
Adult ; Aged ; Aging ; Alzheimer Disease ; Association Learning ; Cognition ; Dementia* ; Humans ; Incidence ; Intelligence ; Logic ; Memory* ; Memory, Long-Term ; Memory, Short-Term ; Natural History ; Neuropsychological Tests ; Prevalence

OBJECTIVES: To examine the changing pattern of cognitive function in old age. METHODS: Longitudinal observation of MMSEK performances of the elderly living in a rural community through 2 consecutive 6-year follow-ups. The mean, standard deviation, and coefficient of variability of the three consecutive MMSEK performances with 6-year interval were indicators of the changing pattern. Paired t-test was used for comparison of two consecutive MMSEK performances : MMSEK-90 vs MMSEK-96 and MMSEK-96 vs MMSEK-02, while Student's t-test for comparison between the first and second 6-year changes of the MMSEK performance. RESULTS: In all age groups, the MMSEK performance declined significantly during the two consecutive 6-year periods, the standard deviation and coefficient of variability widened with age, and the second 6-year decline of the MMSEK performance was significantly greater than the first 6-year decline. CONCLUSION: Decline of the cognitive function is steeper in the elderly with age and the declining pattern is the 'fan-spread' shape.
Aged* ; Cognition ; Follow-Up Studies* ; Humans ; Rural Population