Effects of Golden Plaster on Knee Osteoarthritis: A Multicenter Randomized, Double-Blind, Placebo-Controlled Trial

Table 3

The VAS scores in the two groups before and after the treatment.

Group	Case	Pretreatment	7 days after treatment	14 days after treatment	21 days after treatment
Control group	160	58.96 ± 22.78	58.69 ± 22.67	49.29 ± 17.82	45.30 ± 13.94
Treatment group	156	62.79 ± 23.25	48.61 ± 16.82	27.34 ± 6.83	20.62 ± 5.54

VAS = Visual Analogue Pain Scale; control group VS treatment group,  < 0.05.