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Table 2 WOMAC scores at baseline, 8 weeks, 6 months and 12 months

From: Short and medium-term effects of an education self-management program for individuals with osteoarthritis of the knee, designed and delivered by health professionals: A quality assurance study

  BL 8 wks 6 mths 12 mths F (df) p-value Change at 12 mths
Mean (95% CI)
Effect size (d)
WOMAC         
Pain (0 to 20) 7.91 (0.46) 6.57 (0.36) 6.30 (0.39) 5.95 (0.46) 11.01(3,201) < 0.001 1.95 (1.1 to 2.7) 0.5
Stiffness (0 to 8) 3.88 (0.21) 3.16 (0.19) 3.19 (0.17) 3.13 (0.19) 6.19(3,201) < 0.001 0.75 (0.3 to 1.1) 0.4
Function (0 to 68) 24.98 (1.41) 20.66 (1.28) 19.86 (1.37) 19.63 (1.44) 10.02(3,201) < 0.001 5.35 (2.8 to 7.8) 0.4
Total (0 to 96) 36.77 (1.94) 30.29 (1.66) 29.39 (1.84) 28.72 (2.00) 12.25(3,201) < 0.001 8.06 (4.6 to 11.4) 0.5
  1. Values are mean (SE). Lower scores indicate improvement; F-values and p-values are for repeated measures ANOVA. Change at 12 months values are mean (95% CI). Effect size is for pair wise comparison between baseline and 12 month scores.