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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Osteoarthritis Cartilage. 2015 Oct 20;24(3):427–435. doi: 10.1016/j.joca.2015.10.001

Figure 2. Longitudinal changes in WOMAC knee pain scores in subjects with A. Unilateral Hip Pain and B. Asymmetric RHOA.

Figure 2

The graphs illustrate the unadjusted results. A. Unilateral Hip Pain: The rates of change for WOMAC pain (unadjusted) in the contralateral knee were 0.137/year and were −0.049/year in the ipsilateral knee. The adjusted difference in annual rate of change between knees was 0.18 (0.07, 0.28) (p=0.001). At baseline the WOMAC knee pain score was significantly greater in the ipsilateral knee compared to the contralateral knee (adjusted regression coefficient = 1.59; p = <0.0001). B. Discordant RHOA: The rates of change in WOMAC pain scores (unadjusted) in the contralateral knee were 0.006/year and were 0.028/year in the ipsilateral knee. The adjusted difference in rate of change between knees was −0.02 (−0.07, 0.03) (p=0.474). At baseline the WOMAC knee pain score was no different in the ipsilateral knee compared to the contralateal knee (adjusted regression coefficient = −0.036; p = 0.738)..