Number of Knee Replacements per Year

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How many knee replacements are performed each year?

1 million.

In the February 2007 issue of the Journal of Bone and Joint Surgery, it is affirmed that about a million knee replacements (or arthroplasties) are performed in the world each year ‘“ around half of them in the US only. There are two kinds of knee replacements: partial or total. The first knee arthroplasty was performed in 1968.

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