Figure 3. Percent of elderly patients in severe pain before and after knee replacement surgery, by type of activity

Internet Citation: Figure 3. Percent of elderly patients in severe pain before and after knee replacement surgery, by type of activity. Content last updated December 2014. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/research/findings/factsheets/aging/osteoria/osteoriaf3.html