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

Table 4

The WOMAC 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	37.83 ± 5.68	37.31 ± 5.26	34.44 ± 1.66	28.33 ± 3.61
Treatment group	156	38.13 ± 5.69	36.54 ± 5.35	27.76 ± 4.01	26.84 ± 4.32

WOMAC = Western Ontario and McMaster University Osteoarthritis Index; control group VS treatment group,  < 0.05.