BMC Musculoskeletal Disorders

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	<0.01^a
∆ (post −pre)	2.06 ± 0.88	−4.581 ± 1.11	<0.01^a
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	0.01^a
∆ (post − pre)	0.43 ± 0.73	−3.48 ± 0.77	<0.01^a
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	<0.01^a
∆ (post − pre)	4.71 ± 3.81	−17.81 ± 4.23	<0.01^a

Data are presented as mean ± standard deviation
P value represent the test between groups
^aStatistically significant

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ISSN: 1471-2474

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