FIGURE 2.1 Growth in rates of joint replacement (1988-1997). Joint replacement surgery rates increased by 101% between 1988 and 1997. The use of shoulder replacement increased from 0.35 to 0.79 per 1000 enrollees (126%) and knee replacement rates increased from 2.7 to 5.9 per 1000 enrollees (120%). (Adapted from Praemer, A., Furner, S., and Rice, S.D., Musculoskeletal Conditions in the United States, American Academy of Orthopaedic Surgeons, Park Ridge, IL, 1992; the original figure is copyrighted by the Trustees of Dartmouth College.)

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