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. Author manuscript; available in PMC: 2016 Jan 31.
Published in final edited form as: J Orthop Sports Phys Ther. 2015 Jan 8;45(2):128–136. doi: 10.2519/jospt.2015.5123

FIGURE 2.

FIGURE 2

Scores reflecting health-related quality of life among subjects with frequent bilateral knee pain, frequent unilateral knee pain, and no knee pain.

Abbreviations: KOOS, Knee Injury and Osteoarthritis Outcome Score; MCS, mental component summary score of the Medical Outcomes Study 12-Item Short-Form Health Survey; PCS, physical component summary score of the Medical Outcomes Study 12-Item Short-Form Health Survey; QoL, quality of life.