The influence of income and race on total knee arthroplasty in the United States.

The influence of income and race on total knee arthroplasty in the United States. Research Abstract Details 

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The influence of income and race on total knee arthroplasty in the United States. Abstract Text:

Jonathan Skinner,Weiping Zhou,James Weinstein,

BACKGROUND: The associations among income, total knee arthroplasty, and underlying rates of knee osteoarthritis are not well understood. We studied whether high-income Medicare recipients are more likely to have a knee arthroplasty and less likely to suffer from knee osteoarthritis. METHODS: Two data sources were used: (1) the 2000 United States Medicare claims data measuring the incidence of total knee arthroplasty by race, ethnicity, zip (postal) code income, and region (n = 27.5 million) and (2) the National Health and Nutrition Examination Survey (NHANES III) for individuals with an age of sixty years or more (n = 1926) with radiographic and clinical evidence of osteoarthritis. Logistic regression methods were used to adjust for covariates. RESULTS: At the national level, age-adjusted rates of total knee arthroplasty in the high-income quintile were no higher than those in the low-income group (odds ratio, 0.98; 95% confidence interval, 0.96 to 1.00). Within regions, access to care was better for high-income groups (odds ratio, 1.19; 95% confidence interval, 1.17 to 1.22). Racial disparities in arthroplasty were significant (p < 0.001); the odds ratio was 0.36 (95% confidence interval, 0.34 to 0.38) for black men and 0.45 (95% confidence interval, 0.41 to 0.49) for Asian women. There was no evidence of an income gradient for most clinical and radiographic measures of arthritis. The exception was a significant negative association between income and pain on passive motion (p < 0.05). CONCLUSIONS: High-income Medicare enrollees are no less likely to have osteoarthritis than low-income enrollees but have somewhat better access to care. Racial disparities are more important than those that are attributable to socioeconomic status.

The influence of income and race on total knee arthroplasty in the United States. Publishing Authors By Initials

J Skinner,W Zhou,J Weinstein,

For similar geographic locations: americas: north america: united states research abstracts see: geographic locations: americas: north america: united states research

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The influence of income and race on total knee arthroplasty in the United States. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: The Journal of bone and joint surgery. American vo

VOLUME: 88

Page Numbers: 2159-66

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ISSN: 0021-9355

DAY: 3

MONTH: Oct

YEAR: 2006

The influence of income and race on total knee arthroplasty in the United States. Information

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LANGUAGE: eng

NlmUniqueID: 14030

The influence of income and race on total knee arthroplasty in the United States. Keywords Mesh Terms:

KEYWORDS: United States

MESH TERMS: epidemiology

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Grant and Affiliation Information for The influence of income and race on total knee arthroplasty in the United States.

AFFILIATION: Center for Evaluative Clinical Sciences, HB 7152 Dartmouth Medical School, Hanover, NH 03755, USA. jon.skinner@dartmouth.edu

Country: United States

AGENCY: United States NIAMS

GRANT: P60-AR048094

ACRONYM: AR

MEDLINETA: J Bone Joint Surg Am

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