Mini-Mental Status Examination as predictors of mortality in the elderly

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Objective: Because the number of elderly is increasing worldwide, cognitive dysfunction becomes important health care issue. This study investigated the association between cognitive dysfunction and mortality in the elderly. Method: Data were analyzed from a longitudinal mortality follow-up study of 2712 Korean elderly aged 60 and over, examined in 2002 with complete data followed an average 6.03years. Measurements included socio-demographic and clinical factors and Mini-Mental State Examination (MMSE). MMSE was categorized into groups with no, mild, or moderate cognitive dysfunction, and the subscores of MMSE domains were categorized into no dysfunction or dysfunction. The Cox proportional hazards models were conducted to examine the association between MMSE score and mortality, after adjusting for age, gender, education and other socio-demographic factors. Results: Death during follow-up occurred in 318 subjects. The mortality risk was significantly associated with the elderly with mild cognitive dysfunction [hazard ratio (HR)=1.93] and with moderate cognitive dysfunction (HR=2.66). 'Orientation-to-time' (HR=1.39) and 'Attention' (HR=1.48) domains of MMSE were independently associated with mortality. Conclusion: This study showed that cognitive dysfunction independently predicted mortality in the elderly. Cognitive dysfunction should be considered part of identifying the elderly at high risk for mortality.

Original languageEnglish
Pages (from-to)298-304
Number of pages7
JournalActa Psychiatrica Scandinavica
Volume127
Issue number4
DOIs
Publication statusPublished - 2013 Apr 1

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Mortality
Demography
Cognitive Dysfunction
Proportional Hazards Models
Delivery of Health Care
Education

Keywords

  • Cognition
  • Mini-Mental State Examination
  • Mortality
  • The elderly

ASJC Scopus subject areas

  • Psychiatry and Mental health

Cite this

Mini-Mental Status Examination as predictors of mortality in the elderly. / Park, Moon Ho; Kwon, Do-Young; Jung, Jin-Man; Han, Changsu; Jo, I.; Jo, S. A.

In: Acta Psychiatrica Scandinavica, Vol. 127, No. 4, 01.04.2013, p. 298-304.

Research output: Contribution to journalArticle

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