Total knee replacements on the rise, despite high costs.
D000368:Aged; D019645:Arthroplasty, Replacement, Knee / Q000191:economics* / Q000706:statistics & numerical data*; D005260:Female; D006301:Health Services Needs and Demand / Q000706:statistics & numerical data*; D006801:Humans; D008019:Life Style; D008297:Male; D008875:Middle Aged; D020370:Osteoarthritis, Knee / Q000191:economics* / Q000453:epidemiology / Q000601:surgery*