Table 1.

Clinical, histological and radiological scores and plasma levels of IL-6 and VEGF

	control rats (n = 8)	AIA rats (n = 20)	nor-NOHA treated rats (n = 20)
Body weight (g)	310 ± 3	279 ± 10*	269 ± 5*
Arthritis score	0	1.3 ± 0.2*	1.1 ± 0.2*
Ankle diameter (mm)	7.6 ± 0.1	8.3 ± 0.2*	8.3 ± 0.1*
Histological score	0	4.1 ±	3.7 ± 1*
Radiological score	0	2.2 ±	2.1 ± 0.6*
IL-6 (pg/ml)	366 ± 22	419 ± 17*	378 ± 22
VEGF (pg/ml)	488 ± 36	642 ± 34*	500 ± 65

Data were obtained 21 days after the onset of arthritis in control rats, AIA rats and nor-NOHA treated rats. Values are the mean ± SEM. * = P <0.05 vs control