In 2019, around 60.6 percent of all osteoarthritis cases globally were in the knee, a slight increase from 58.5 percent of all cases in 1990. This statistic illustrates the distribution of prevalent cases of osteoarthritis worldwide in 1990 and 2019, by site.
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American College of Rheumatology (ACR). (March 1, 2022). Distribution of prevalent cases of osteoarthritis worldwide in 1990 and 2019, by site [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/1330681/prevalent-cases-distribution-osteoarthritis-worldwide-by-site/
American College of Rheumatology (ACR). "Distribution of prevalent cases of osteoarthritis worldwide in 1990 and 2019, by site ." Chart. March 1, 2022. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/1330681/prevalent-cases-distribution-osteoarthritis-worldwide-by-site/
American College of Rheumatology (ACR). (2022). Distribution of prevalent cases of osteoarthritis worldwide in 1990 and 2019, by site . ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/1330681/prevalent-cases-distribution-osteoarthritis-worldwide-by-site/
American College of Rheumatology (ACR). "Distribution of Prevalent Cases of Osteoarthritis Worldwide in 1990 and 2019, by Site ." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Mar 2022, /statistics/1330681/prevalent-cases-distribution-osteoarthritis-worldwide-by-site/
American College of Rheumatology (ACR), Distribution of prevalent cases of osteoarthritis worldwide in 1990 and 2019, by site ÌÇÐÄÆƽâ°æ, /statistics/1330681/prevalent-cases-distribution-osteoarthritis-worldwide-by-site/ (last visited July 25, 2026)
Distribution of prevalent cases of osteoarthritis worldwide in 1990 and 2019, by site [Graph], American College of Rheumatology (ACR), March 1, 2022. [Online]. Available: /statistics/1330681/prevalent-cases-distribution-osteoarthritis-worldwide-by-site/
