Table 2:

Relative Risk of Baseline and Change in Effusion-Synovitis on Change in Cartilage Damage

	Cartilage Damage Size		Cartilage Damage Depth
	Additional Subregions Affected	Subregions with Worsening	Additional Subregions Affected	Subregions with Worsening
Baseline Effusion-Synovitis
Minimal	ref	ref	ref	ref
Extensive	1.4 (1.0, 2.0)	1.2 (0.8, 1.6)	1.7 (1.1, 2.6)*	1.5 (1.0, 2.2)*
Change in Effusion-Synovitis
Persistently minimal	ref	ref	ref	ref
Intermittent	1.6 (1.0, 2.4)*	1.3 (0.9, 1.8)	1.6 (0.9, 2.6)	1.5 (1.0, 2.3)
Persistently extensive	1.6 (1.0, 2.6)	1.2 (0.8, 1.9)	2.0 (1.1, 3.4)*	1.7 (1.0, 2.7)*

^*p<0.05