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Table 5 Intra-reader agreement calculated as cohen’s kappa of the three readers in identifying the pathologies of sacroiliac joint MRI

From: Identifying enthesitis in the sacroiliac joints in patients with axial spondyloarthritis by readers of varying experience: impact of the learning progress

Cohen’s kappa

Reader 1

Reader 2

Reader 3

Enthesitis

0.23

0.034

0.014

Bone marrow edema

0.59

0.48

0.3

Erosion\

0.66

0.36

0.09

Fatty lesion

0.63

0.41

0.2

Ankylosis

0.76

0.79

0.57

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BMC Rheumatology

ISSN: 2520-1026

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