Total Knee Replacement Surgery By the Numbers

AAOS_Knee_01D1

  • By 2030, total knee replacement surgeries are projected to grow 673% to 3.5 million procedures per year1
  • Nearly 1/2 of American adults develop knee osteoarthritis in at least one knee of their lifetime2
  • More than 90% of people who have knee replacement surgery experience a dramatic reduction of knee pain3
  • In 2008, 63% of all knee replacement operations were performed on women4
  • 80% of osteoarthritis patients have some degree of movement limitation5
  • Job-related knee osteoarthritis costs $3.4 to $13.2 billion per year6
  • On average, knee replacement surgery direct costs = $20,704 but societal savings = $39,6977
  • Knee replacement surgery societal savings:
    • 85% from increased earnings
    • 15% from fewer work days and lower disability payments8
  • Lifetime societal net benefit for knee replacement patients averaged between $10,000-$30,0009
  • $12 billion in total societal savings over patients’ lifetimes from 600,000 knee replacements performed in 200910

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Sources:

  1. Cisternas MG, MGC Data Svcs, Murphy L, Croft JB, Helmick CG. Racial Disparities in Total Knee Replacement among Medicare Enrollees — United States, 2000–2006. MMWR 2009;58(6):134-8
  2. Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion. Spotlight Knee Replacement; http://www.cdc.gov/arthritis/resources/spotlights/kneereplacements.htm
  3. Kurtz SM, Lau E, Ong K, et al. Future young patient demand for primary and revision joint replacement: national projections from 2010 to 2030. Clin Orthop Relat Res. 2009; 467:2606-2612. Total Knee Replacement Surgery By the Numbers ANationInMotion.org
  4. 2008 Nationwide Inpatient Sample, Healthcare Cost and Utilization Project (HCUP). Agency for Healthcare Research and Quality.
  5. Centers for Disease Control and Prevention, Division of Adult and Community Health, National Center for Chronic Disease Prevention and Health Promotion. Osteoarthritis; http://www.cdc.gov/arthritis/basics/osteoarthritis.htm
  6. Bitton, R. The Economic Burden of Osteoarthritis. Am J Manag Care. 2009; 15:S230-S235. http://www.ajmc.com/publications/supplement/2009/ A235_09sep_Osteoarthritis
  7. Ruiz D, Koenig L, Dall T, et. al. The Direct and Indirect Costs to Society of Treatment for End-Stage Knee Osteoarthritis. J Bone Joint Surg Am., 2013; 95: 1473-80.
  8. Ruiz D, Koenig L, Dall T, et. al. The Direct and Indirect Costs to Society of Treatment for End-Stage Knee Osteoarthritis. J Bone Joint Surg Am., 2013; 95: 1473-80.
  9. Ruiz D, Koenig L, Dall T, et. al. The Direct and Indirect Costs to Society of Treatment for End-Stage Knee Osteoarthritis. J Bone Joint Surg Am., 2013; 95: 1473-80.
  10. Ruiz D, Koenig L, Dall T, et. al. The Direct and Indirect Costs to Society of Treatment for End-Stage Knee Osteoarthritis. J Bone Joint Surg Am., 2013; 95: 1473-80.