Increasing prevalence of knee pain and symptomatic knee osteoarthritis: survey and cohort data.

@article{Nguyen2011IncreasingPO,
  title={Increasing prevalence of knee pain and symptomatic knee osteoarthritis: survey and cohort data.},
  author={Uyen-Sa D. T. Nguyen and Yuqing Zhang and Yongfa Zhu and Jingbo Niu and Bin Zhang and David T. Felson},
  journal={Annals of internal medicine},
  year={2011},
  volume={155 11},
  pages={725-32}
}
BACKGROUND A recent surge in knee replacements is assumed to be due to aging and increased obesity of the U.S. population. OBJECTIVE To assess whether age, obesity, and change in radiographic knee osteoarthritis explain the trend in knee pain and osteoarthritis. DESIGN Cross-sectional, using data from 6 NHANES (National Health and Nutrition Examination Survey) surveys between 1971 and 2004 and from 3 examination periods in the FOA (Framingham Osteoarthritis) Study between 1983 through 2005… CONTINUE READING
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