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Table 3 Clinical and functional Knee Society Scores

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
Clinical
 Pre-intervention 23.20 ± 14.52 22.48 ± 16.66 0.85
 Post-intervention 25.31 ± 14.33 33.52 ± 16.96 <0.01a
 ∆ (post − pre) 2.11 ± 7.26 11.03 ± 8.561 <0.01a
Functional
 Pre-intervention 41.14 ± 16.05 41.94 ± 18.20 0.85
 Post-intervention 41.43 ± 16.11 51.61 ± 19.60 0.02a
 ∆ (post − pre) 0.29 ± 1.312 9.68 ± 1.99 <0.01a
  1. Data are presented as mean ± standard deviation
  2. P value represent the test between groups
  3. aStatistically significant