Table 1 Baseline patient information.

Baseline patient information	CBX	ACF)	Control
	(n = 9)	(n = 7)	(n = 9)
Sex (%)
Male	22	14	22
Female	78	86	78
Age (years)	73 (5)	71 (8)	72 (8)
WOMAC (VAS)
After washout T1	2240 (918)	2807 (644)	1996 (390)
Before surgery T2	1952 (908)*	2536 (528)*	2140 (378)*
Difference T2−T1	−289 (308)	−270 (359)	144 (85)

Values are shown as mean (SEM) unless stated otherwise.

* p<0.05 v T1 data from the same group of patients.