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

Table 4 Self condition assessment VAS score (x ̅ ± s)

	Group	N	Before treatment	After treatment	P value
FAS	Experimental group	107 (0)	5.28 ± 1.05	2.48 ± 1.22	< 0.01
	Control group	108 (0)	5.01 ± 1.06	3.48 ± 1.36	< 0.01
	Comparison between groups	P value	0.088	< 0.01
PPS	Experimental group	91 (0)	5.23 ± 1.05	2.49 ± 1.23	< 0.01
	Control group	96 (0)	5.00 ± 1.06	3.48 ± 1.35	< 0.01
	Comparison between groups	P value	0.168	< 0.01

ISSN: 1749-8546