Traditional Chinese Herbal Patch for Short-Term Management of Knee Osteoarthritis: A Randomized, Double-Blind, Placebo-Controlled Trial

Table 3

Changes in primary outcome.

Variable	Placebo (𝑛=30)	FNZG (𝑛=60)	SIG (𝑛=59)
Patient VAS (range 0–100 mm)
Day 1	46.73(40.97,52.49)	45.72(41.50,49.94)	46.39(42.73,50.05)
Improvement from baseline	−6.58(−9.41,−3.76)	−6.05(−8.07,−4.03)	−6.09(−7.60,−4.58)
P value		0.909	0.919
Day 7	35.63(28.94,42.33)	34.19(29.58,38.80)	36.71(33.12,40.29)
Improvement from baseline	−17.68(−22.16,−13.21)	−19.02(−23.23,−14.81)	−16.04(−19.30,−12.79)
P value		0.858	0.789

Values are the mean (95% confidence interval). P values were calculated by one-factor analysis of variance (ANOVA). VAS: visual analog scale.