Interobserver Agreement in Magnetic Resonance of the Sacroiliac Joints in Patients with Spondyloarthritis

Table 3

Interobserver agreement between expert radiologist and rheumatologist.

Rheumatologist	Expert radiologist
	Agreement	Disagreement	Total
	(%)	(%)
Normal	22 (89)	3 (11)	25/66	0.89	0.000
Acute	6 (100)	0 (0)	6/66	0.69	0.001
Chronic	15 (89)	2 (11)	17/66	0.73	0.001
Acute plus chronic	16 (89)	2 (11)	18/66	0.62	0.005
Total	59 (89)	7 (11)	66/66	0.73	0.000