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Cognitive decline in high-functioning older persons is associated with an increased risk of hospitalization.
J Am Geriatr Soc 2004; 52(9):1456-62JA

Abstract

OBJECTIVES

To examine hospital use for patients with evidence of cognitive decline indicative of early cognitive impairment.

DESIGN

Medicare Part A hospital utilization data were linked to data from the MacArthur Research Network on Successful Aging Community Study to examine the association between baseline cognition and decline in cognitive function over a 3-year period and any hospitalization over that same period.

SETTING

New Haven, Connecticut, and East Boston, Massachusetts.

PARTICIPANTS

Subjects (N=598) were from two sites of the MacArthur Research Network on Successful Aging Community Study, a 7-year cohort study of community-dwelling older persons with high physical and cognitive functioning.

MEASUREMENTS

Multivariate logistic regression was used to determine the association between any hospitalization over 3 years (1988-91) as the outcome variable and baseline cognitive function and decline in cognition over 3 years as primary predictor variables. Decline was based upon repeated (1988 and 1991) measures of delayed verbal recall and the Short Portable Mental Status Questionnaire (SPMSQ).

RESULTS

Of 598 subjects, 48 died between 1988 and 1991. No baseline (1988) delayed recall scores or change in recall scores (1988-91) were associated with hospitalization. Although 48.2% declined on verbal memory scores, decline was not associated with risk of hospitalization. Of 494 subjects with complete 3-year data, 31.2% declined at least one point on the SPMSQ, and 4.7% declined more than two points. Among individuals aged 75 and older at baseline, the adjusted odds ratio for hospitalization for those who declined more than 2 points compared with those who declined less was 7.8 (95% confidence interval=2.0-30.8).

CONCLUSION

Although specific memory tests were not associated with hospitalization, high-functioning older persons who experienced decline in overall cognitive function were more likely to be hospitalized. Variation in baseline cognitive function in this high-functioning cohort did not affect hospitalization, but additional research is needed to evaluate associations with other healthcare costs.

Authors+Show Affiliations

VA Greater Los Angeles Healthcare System, Los Angeles, California, USA. jchodosh@mednet.ucla.eduNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, U.S. Gov't, Non-P.H.S.
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

15341546

Citation

Chodosh, Joshua, et al. "Cognitive Decline in High-functioning Older Persons Is Associated With an Increased Risk of Hospitalization." Journal of the American Geriatrics Society, vol. 52, no. 9, 2004, pp. 1456-62.
Chodosh J, Seeman TE, Keeler E, et al. Cognitive decline in high-functioning older persons is associated with an increased risk of hospitalization. J Am Geriatr Soc. 2004;52(9):1456-62.
Chodosh, J., Seeman, T. E., Keeler, E., Sewall, A., Hirsch, S. H., Guralnik, J. M., & Reuben, D. B. (2004). Cognitive decline in high-functioning older persons is associated with an increased risk of hospitalization. Journal of the American Geriatrics Society, 52(9), pp. 1456-62.
Chodosh J, et al. Cognitive Decline in High-functioning Older Persons Is Associated With an Increased Risk of Hospitalization. J Am Geriatr Soc. 2004;52(9):1456-62. PubMed PMID: 15341546.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Cognitive decline in high-functioning older persons is associated with an increased risk of hospitalization. AU - Chodosh,Joshua, AU - Seeman,Teresa E, AU - Keeler,Emmett, AU - Sewall,Ase, AU - Hirsch,Susan H, AU - Guralnik,Jack M, AU - Reuben,David B, PY - 2004/9/3/pubmed PY - 2004/10/8/medline PY - 2004/9/3/entrez SP - 1456 EP - 62 JF - Journal of the American Geriatrics Society JO - J Am Geriatr Soc VL - 52 IS - 9 N2 - OBJECTIVES: To examine hospital use for patients with evidence of cognitive decline indicative of early cognitive impairment. DESIGN: Medicare Part A hospital utilization data were linked to data from the MacArthur Research Network on Successful Aging Community Study to examine the association between baseline cognition and decline in cognitive function over a 3-year period and any hospitalization over that same period. SETTING: New Haven, Connecticut, and East Boston, Massachusetts. PARTICIPANTS: Subjects (N=598) were from two sites of the MacArthur Research Network on Successful Aging Community Study, a 7-year cohort study of community-dwelling older persons with high physical and cognitive functioning. MEASUREMENTS: Multivariate logistic regression was used to determine the association between any hospitalization over 3 years (1988-91) as the outcome variable and baseline cognitive function and decline in cognition over 3 years as primary predictor variables. Decline was based upon repeated (1988 and 1991) measures of delayed verbal recall and the Short Portable Mental Status Questionnaire (SPMSQ). RESULTS: Of 598 subjects, 48 died between 1988 and 1991. No baseline (1988) delayed recall scores or change in recall scores (1988-91) were associated with hospitalization. Although 48.2% declined on verbal memory scores, decline was not associated with risk of hospitalization. Of 494 subjects with complete 3-year data, 31.2% declined at least one point on the SPMSQ, and 4.7% declined more than two points. Among individuals aged 75 and older at baseline, the adjusted odds ratio for hospitalization for those who declined more than 2 points compared with those who declined less was 7.8 (95% confidence interval=2.0-30.8). CONCLUSION: Although specific memory tests were not associated with hospitalization, high-functioning older persons who experienced decline in overall cognitive function were more likely to be hospitalized. Variation in baseline cognitive function in this high-functioning cohort did not affect hospitalization, but additional research is needed to evaluate associations with other healthcare costs. SN - 0002-8614 UR - https://www.unboundmedicine.com/medline/citation/15341546/Cognitive_decline_in_high_functioning_older_persons_is_associated_with_an_increased_risk_of_hospitalization_ L2 - https://onlinelibrary.wiley.com/resolve/openurl?genre=article&sid=nlm:pubmed&issn=0002-8614&date=2004&volume=52&issue=9&spage=1456 DB - PRIME DP - Unbound Medicine ER -