Table 3.

Clinical and functional Knee Society Scores

	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

Data are presented as mean ± standard deviation

P value represent the test between groups

^aStatistically significant