Table 3. Radiographic progression across the European League Against Rheumatism (EULAR) states based on the 28-joint Disease Activity Score (DAS28) C-reactive protein (CRP) and DAS28 erythrocyte sedimentation rate (ESR) values: mean change from baseline to 12 months (AIM (Abatacept in Inadequate responders to Methotrexate) trial).

Radiographic assessment	EULAR response	Abatacept group (n = 328)		Placebo group (n = 137)		Combined group (n = 465)
		CRP	ESR	CRP	ESR	CRP	ESR
Erosion score	Good	0.37 (1.13)	0.37 (1.17)	0.41 (1.15)	0.10 (0.23)	0.37 (1.13)	0.35 (1.14)
	Moderate	0.72 (1.70)	0.63 (1.56)	1.48 (3.70)	1.36 (3.50)	0.98 (2.59)	0.85 (2.34)
	None	0.68 (1.17)	0.65 (1.12)	1.16 (2.07)	1.26 (2.29)	0.97 (1.78)	1.03 (1.94)
Joint space narrowing score	Good	0.44 (1.11)	0.41 (1.17)	0.86 (2.27)	0.43 (0.84)	0.47 (1.23)	0.41 (1.16)
	Moderate	0.69 (1.80)	0.59 (1.43)	1.47 (2.86)	1.34 (2.76)	0.96 (2.25)	0.82 (1.96)
	None	0.56 (1.26)	1.00 (2.63)	1.13 (1.96)	1.35 (2.23)	0.91 (1.73)	1.22 (2.37)
Total score	Good	0.81 (1.93)	0.77 (2.09)	1.27 (3.31)	0.53 (0.84)	0.84 (2.06)	0.76 (2.04)
	Moderate	1.41 (3.03)	1.22 (2.60)	2.94 (6.30)	2.70 (6.03)	1.94 (4.49)	1.67 (4.01)
	None	1.25 (2.26)	1.65 (3.39)	2.29 (3.74)	2.61 (4.13)	1.88 (3.27)	2.25 (3.86)

Data are mean (SD).