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

Table 2 Changes in WOMAC pain scores between two groups (x ̅ ± s)

	Group	N	Before treatment	After treatment	P value
FAS	Experimental group	107 (0)	15.70 ± 6.48	9.58 ± 5.19	< 0.01
	Control group	108 (0)	16.11 ± 6.23	11.91 ± 5.58	< 0.01
	Comparison between groups	P value	0.572	< 0.01
PPS	Experimental group	91 (0)	15.47 ± 6.16	8.97 ± 4.71	< 0.01
	Control group	96 (0)	15.86 ± 5.82	11.66 ± 5.45	< 0.01
	Comparison between groups	P value	0.547	< 0.01

ISSN: 1749-8546