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Research / Technology

Statistics indicate that knee replacement among U.S. adults ages 45 to 64 increased 2.5-fold from 1997 to 2009. The rate of hospitalizations for knee arthroplasty for women grew 157%, and for men, 144%. Rates for adults ages 65 to 84 increased by 69% for women and 55% for men within the same timeframe.

(Agency for Healthcare Research and Quality, 11/8/11)