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Arthroplasty Utilization in the United States is Predicted by Age-Specific Population Groups

ISRN Orthopedics
Hindawi (International Scholarly Research Network)
Publication Date
DOI: 10.5402/2012/185938
  • Article
  • Medicine


International Scholarly Research Network ISRN Orthopedics Volume 2012, Article ID 185938, 8 pages doi:10.5402/2012/185938 Research Article Arthroplasty Utilization in the United States is Predicted by Age-Specific Population Groups Bronislava Bashinskaya,1, 2 Ryan M. Zimmerman,1 Brian P. Walcott,3 and Valentin Antoci1 1 Department of Orthopedic Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA 2 Boston University, Boston, MA 02215, USA 3 Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, White Building Room 502, Boston, MA 02114, USA Correspondence should be addressed to Brian P. Walcott, [email protected] Received 1 October 2012; Accepted 17 October 2012 Academic Editors: J. Gallo, M. Hasegawa, and J. D. Lurie Copyright © 2012 Bronislava Bashinskaya et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Osteoarthritis is a common indication for hip and knee arthroplasty. An accurate assessment of current trends in healthcare utilization as they relate to arthroplasty may predict the needs of a growing elderly population in the United States. First, incidence data was queried from the United States Nationwide Inpatient Sample from 1993 to 2009. Patients undergoing total knee and hip arthroplasty were identified. Then, the United States Census Bureau was queried for population data from the same study period as well as to provide future projections. Arthroplasty followed linear regression models with the population group >64 years in both hip and knee groups. Projections for procedure incidence in the year 2050 based on these models were calculated to be 1,859,553 cases (hip) and 4,174,554 cases (knee). The need for hip and knee arthroplasty is expected to grow significantly in the upcoming years, given pop

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