Table 2. Associations of morning stiffness with presence of MRI-detected tenosynovitis and synovitis and categorized analyses.

Presence of feature		OR (95% CI)	R2
	Synovitis	1.79 (1.11; 2.91)	0.04
	Tenosynovitis	2.11 (1.21; 3.68)	0.04
Categorized features
Synovitis	Tenosynovitis	OR (95% CI)
-	-	1.0 (ref)	0.05
+	-	0.85 (0.21; 3.47)
-	+	1.53 (0.76; 3.09)
+	+	2.43 (1.30; 4.54)

OR (95% CI): Odds ratios with 95% confidence intervals.