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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: Osteoarthritis Cartilage. 2018 Aug 18;26(12):1643–1650. doi: 10.1016/j.joca.2018.08.003

Table 3:

Subject characteristics at the enrollment visit for each pain progression profile

Characteristic Worsening (n = 176) Stable (n = 992) Improving (n = 75)
Age (years) 63.1 ± 8.7 62.1 ± 8.8 61.2 ± 9.0
Sex (% women) 69.3 % 61.1 % 69.3 %
BMI (kg/m2) 29.8 ± 5.0 28.7 ± 4.6 30.9 ± 5.5
Right Knee Left Knee Right Knee Left Knee Right Knee Left Knee
WOMAC Pain (0 – 20) 2.0 ± 2.6 1.9 ± 2.7 1.3 ± 2.0 1.2 ± 2.1 6.4 ± 3.6 6.4 ± 4.6
WOMAC Function (0 – 68) 7.4 ± 9.6 7.5 ± 9.5 4.3 ± 6.5 4.5 ± 7.4 16.3 ± 10.4 18.2 ± 13.4
Joint Space Width (mm) 4.0 ± 1.3 4.3 ± 1.1 4.3 ± 1.1 4.3 ± 1.1 4.4 ± 1.0 4.3 ± 1.1