Gyejigachulbutang (Gui-Zhi-Jia-Shu-Fu-Tang, Keishikajutsubuto, TJ-18) in Degenerative Knee Osteoarthritis Patients: Lessons and Responders from a Multicenter Randomized Placebo-Controlled Double-Blind Clinical Trial

Table 7

Analysis of rescue medicine consumption.

VAS	GCB group^†	Placebo group^†	Mean difference^†	value^a
Week 2	11.06 (total 188; n = 17)	18.00 (total 234; n = 13)	−6.94 (−15.83, 1.95)	0.1210
Week 4	5.41 (total 92; n = 17)	11.73 (total 176, n = 15)	−6.32 (−11.36, −1.25)	0.0162
Week 8	14.43 (total 202; n = 14)	17.00 (total 187, n = 11)	−2.57 (−15.04, 9.90)	0.6736

^†Mean amount of rescue medicine consumption in patient who took rescue medicine (tablet); data expressed as 95% confidence interval. ^a value was calculated from the independent two-sample t-test. Significant difference. GCB, Gyejigachulbutang.