%0 Journal Article %J Archives of internal medicine %D 2009 %T Cost-effectiveness of total knee arthroplasty in the United States: patient risk and hospital volume. %A Losina, Elena %A Walensky, Rochelle P %A Kessler, Courtenay L %A Emrani, Parastu S %A Reichmann, William M %A Wright, Elizabeth A %A Holt, Holly L %A Solomon, Daniel H %A Yelin, Edward %A Paltiel, A David %A Katz, Jeffrey N %K Arthroplasty, Replacement, Knee %K Cost-Benefit Analysis %K Hospital Bed Capacity %K Hospitals %K Humans %K Osteoarthritis, Knee %K Risk Factors %K United States %N 12 %P 1113-21; discussion 1121-2 %R 10.1111/j.1524-4733.2010.00763.x %V 169 %X Total knee arthroplasty (TKA) relieves pain and improves quality of life for persons with advanced knee osteoarthritis. However, to our knowledge, the cost-effectiveness of TKA and the influences of hospital volume and patient risk on TKA cost-effectiveness have not been investigated in the United States. %8 2009 Jun 22