Table 3.

Bone changes in the two groups before and after treatment.

Indexes	Bone erosion		Osteophyte		Tendon thickening		Tendon calcification
	Before treatment	After treatment	Before treatment	After treatment	Before treatment	After treatment	Before treatment	After treatment
INF Group (n=40)	31 (77.50)	8 (20.00)	2(5.00)	1 (2.50)	17 (42.50)	4 (10.00)	2 (5.00)	2 (5.00)
MTX Group (n=40)	33 (82.50)	17 (42.5)	3 (7.50)	2 (5.00)	18 (45.00)	10 (25.00)	1 (2.50)	1 (2.50)
Χ2 value	0.313	4.713	0.213	0.346	0.503	4.021	0.346	0.346
P value	0.576	0.030	0.644	0.556	0.478	0.045	0.556	0.556