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. Author manuscript; available in PMC: 2014 Jul 15.
Published in final edited form as: J Orthop Sports Phys Ther. 2012 Nov 16;43(2):66–73. doi: 10.2519/jospt.2013.4372

FIGURE 3.

FIGURE 3

Changes in single-step-test performance (n = 102) between limbs and across time for patients who underwent unilateral total knee arthroplasty. Testing was completed at IE and at 3 months and at 1 year after surgery. The broken line indicates mean performance time for the control subjects. Blue lines indicate differences in the operated limb and orange lines indicate differences in the nonoperated limb. *Significant difference between limbs (P = .004). †Significant difference between limbs (P<.001). ‡Significant difference over time (P<.001). Abbreviation: IE, initial postoperative physical therapy evaluation.