Racial, ethnic, and geographic disparities in rates of knee arthroplasty among Medicare patients.

@article{Skinner2003RacialEA,
  title={Racial, ethnic, and geographic disparities in rates of knee arthroplasty among Medicare patients.},
  author={Jonathan Skinner and James N Weinstein and Scott M. Sporer and John E. Wennberg},
  journal={The New England journal of medicine},
  year={2003},
  volume={349 14},
  pages={
          1350-9
        }
}
BACKGROUND There are large variations in the use of knee arthroplasty among Medicare enrollees according to race or ethnic group and sex. Are racial and ethnic disparities more pronounced in some regions than in others, and if so, why? METHODS We used all Medicare fee-for-service claims data for 1998 through 2000 to determine the incidence of knee arthroplasty according to Hospital Referral Region, sex, and race or ethnic group. A total of 430,726 knee arthroplasties were performed during the… 
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