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Table 2 Western Ontario and McMaster Universities Osteoarthritis Index Score

From: Effect of vitamin E on oxidative stress level in blood, synovial fluid, and synovial tissue in severe knee osteoarthritis: a randomized controlled study

  Group A (placebo) Group B (vitamin E) p value
Pain (50 points)
 Pre-intervention 25.20 ± 1.19 23.77 ± 1.69 0.49
 Post-intervention 27.26 ± 0.89 19.19 ± 1.43 <0.01a
 ∆ (post −pre) 2.06 ± 0.88 −4.581 ± 1.11 <0.01a
Stiffness (20 points)
 Pre-intervention 7.80 ± 0.87 8.94 ± 1.02 0.39
 Post-intervention 8.23 ± 0.79 5.45 ± 0.73 0.01a
 ∆ (post − pre) 0.43 ± 0.73 −3.48 ± 0.77 <0.01a
Function (170 points)
 Pre-intervention 90.06 ± 4.72 90.55 ± 7.12 0.95
 Post-intervention 94.77 ± 4.22 72.74 ± 6.55 <0.01a
 ∆ (post − pre) 4.71 ± 3.81 −17.81 ± 4.23 <0.01a
  1. Data are presented as mean ± standard deviation
  2. P value represent the test between groups
  3. aStatistically significant