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

Table 5 WOMAC knee osteoarthritis score (x ̅ ± s)

	Group	N	Before treatment	After treatment	P value
FAS	Experimental group	107 (0)	73.79 ± 30.99	31.24 ± 19.59	< 0.01
	Control group	108 (0)	76.88 ± 30.07	21.27 ± 20.92	< 0.01
	Comparison between groups	P value	0.445	< 0.01
PPS	Experimental group	91 (0)	72.05 ± 29.24	39.12 ± 21.80	< 0.01
	Control group	96 (0)	75.48 ± 27.43	54.42 ± 27.17	< 0.01
	Comparison between groups	P value	0.395	< 0.01

ISSN: 1749-8546