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. Author manuscript; available in PMC: 2017 Jan 19.
Published in final edited form as: Ann Intern Med. 2016 May 17;165(2):77–86. doi: 10.7326/M15-2143

Figure 2.

Figure 2

Mean change in outcomes, by treatment group.

Measurements were obtained at baseline and at 12, 24, and 52 wk, but data points are offset slightly for clarity. SF-36 = 36-item Short Form Health Survey; WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index.