Mini-Mental State Examination as a Predictor of Mortality among Older People Referred to Secondary Mental Healthcare

Yu-Ping Su, Chin-Kuo Chang*, Richard D. Hayes, Gayan Perera, Matthew Broadbent, David To, Matthew Hotopf, Robert Stewart

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)

Abstract

Background: Lower levels of cognitive function have been found to be associated with higher mortality in older people, particularly in dementia, but the association in people with other mental disorders is still inconclusive.

Methods and Findings: Data were analysed from a large mental health case register serving a geographic catchment of 1.23 million residents, and associations were investigated between cognitive function measured by the Mini-Mental State Examination (MMSE) and survival in patients aged 65 years old and over. Cox regressions were carried out, adjusting for age, gender, psychiatric diagnosis, ethnicity, marital status, and area-level socioeconomic index. A total of 6,704 subjects were involved, including 3,368 of them having a dementia diagnosis and 3,336 of them with depression or other diagnoses. Descriptive outcomes by Kaplan-Meier curves showed significant differences between those with normal and impaired cognitive function (MMSE score

Conclusion: Current study identified an association between cognitive impairment and increased mortality in older people using secondary mental health services regardless of a dementia diagnosis. Causal pathways between this exposure and outcome (for example, suboptimal healthcare) need further investigation.

Original languageEnglish
Article numbere105312
Number of pages7
JournalPL o S One
Volume9
Issue number9
DOIs
Publication statusPublished - 3 Sept 2014

Keywords

  • ALL-CAUSE MORTALITY
  • BRC CASE REGISTER
  • COGNITIVE IMPAIRMENT
  • ALZHEIMERS-DISEASE
  • EXCESS MORTALITY
  • SOUTH LONDON
  • FOLLOW-UP
  • SURVIVAL
  • DEPRESSION
  • DEMENTIA

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