Zhuifeng Tougu capsules in the treatment of knee osteoarthritis (cold dampness obstruction syndrome): a randomized, double blind, multicenter clinical study

Table 3 Changes in VAS scores for pain between the two groups (x ̅ ± s)

	Group	N	Before treatment	After treatment	P value
FAS	Experimental group	100 (7)	5.46 ± 0.91	2.54 ± 1.22	< 0.01
	Control group	104 (4)	5.37 ± 1.05	3.76 ± 1.23	< 0.01
	Comparison between groups	P value	0.441	< 0.01
PPS	Experimental group	91 (0)	5.41 ± 0.92	2.55 ± 1.22	< 0.01
	Control group	96 (0)	5.33 ± 1.02	3.72 ± 1.20	< 0.01
	Comparison between groups	P value	0.519	< 0.01

ISSN: 1749-8546