Researchers used a computer model and data from sources such as U.S. Census and National Health Interview Survey to determine the number of patients with total knee replacements. The National Institutes of Health’s National Institute of Arthritis and Musculoskeletal and Skin Diseases sponsored the study, which found:
• Osteoarthritis and total knee replacement are more common in women than men
• Among 60- to 69-year-olds, 4.1 percent of men and 4.8 percent of women had total knee replacements
• Among 70- to 79-year olds, 7.1 percent of men and 8.2 percent of women had at least one knee replacement
• Ten percent of Americans age 80 and older had total knee replacements.
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Number of Americans With Total Knee Replacement Doubled Over 10 Years
New research shows that approximately 4.5 million Americans are living with total knee replacements, a number that doubled over the past 10 years, according to a news release from the American Academy of Orthopaedic Surgeons.
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