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J Am Geriatr Soc. 2008 Jun;56(6):1057-62. doi: 10.1111/j.1532-5415.2008.01685.x. Epub 2008 Apr 1.

The effects of total hip arthroplasty on physical functioning in the older population.

Author information

  • 1Department of Sociology and Center for the Study of Aging and Human Development, Duke University, Durham, North Carolina 27708-0088, USA. lkg@geri.duke.edu

Abstract

OBJECTIVES:

To estimate the effects of total hip arthroplasty (THA) on three levels of physical functioning in a representative national sample of older adults.

DESIGN:

Survey.

SETTING:

Participants were interviewed in their homes.

PARTICIPANTS:

Participants consisted of stratified random samples of Medicare beneficiaries interviewed between 1992 and 2003.

METHODS:

Data from the Medicare Current Beneficiary Survey from 1992 to 2003 and merged Medicare claims data identified participants who received (n=131) or did not receive (n=257) THA. Outcomes were three measures of physical functioning: Nagi items, instrumental activities of daily living, and activities of daily living. Baseline and follow-up measures were obtained approximately 6 months apart. Logistic regression was used to predict the effects of THA on functioning, with a wide range of covariates controlled.

RESULTS:

Persons who received THA significantly improved in two of three levels of physical functioning; the no-treatment group experienced declines in physical functioning.

CONCLUSION:

Receipt of THA is associated with significant improvements in two levels of physical functioning. These benefits are broadly applicable in that a wide variety of covariates had minimal effects on THA receipt and outcome.

PMID:
18384581
[PubMed - indexed for MEDLINE]
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