Table 3.

Follow-up evaluation of knee function

Indexes	Group A (n = 24)	Group B (n = 25)	Group C (n = 25)
WOMAC score
Pain	3.22 ± 0.85*	6.35 ± 1.14	6.22 ± 1.09
Stiffness	1.43 ± 0.69*	2.53 ± 0.75	2.58 ± 0.77
Physical function	13.89 ± 2.70*	20.08 ± 4.11	21.30 ± 4.74
Total	18.54 ± 4.17*	28.96 ± 5.75	30.10 ± 6.52
VAS score	1.72 ± 0.53*	3.24 ± 0.67	3.21 ± 0.64

WOMAC score and VAS score were calculated using the analysis of variance (ANOVA)

WOMAC—Western Ontario and McMaster Universities Arthritis Index; VAS—visual analog scale

*Significant difference compared with the placebo controls (Group C)