Blog #23: Incidence of Knee Replacements by Chris Schattinger, MS, CSCS, CISSN

We have discussed numerous statistics on knee injuries ranging from the ligaments to the knee cap. But, what if these injuries cause chronic issues and a knee replacement must be done?

Approximately 600,000 knee replacements occur each year and this is estimated to increase to over 3 million by 2030.

The most knee replacements occur in those ages 50-80 years with age 70 being the average age of knee replacement. Knee replacements were found to be higher in females than males by considerable margin (68% vs. 31%).

Nearly ½ of all American adults develop knee osteoarthritis which is one of the main causes of knee replacement.

The average cost of a knee replacement is $20,704.

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Khatod, M., Inacio, M., Paxton, E. W., Bini, S. A., Namba, R. S., Burchette, R. J., & Fithian, D. C. (2008). Knee replacement: epidemiology, outcomes, and trends in Southern California 17,080 replacements from 1995 through 2004. Acta orthopaedica, 79(6), 812-819.