Table 4

Cross-tables between the degenerative reading and the SpA readers for the overlap per vertebral unit per mimicking lesion pair

Degenerative readingSpA reader 1SpA reader 2
MRI
Bone marrow oedema lesions (Berlin criteria)
10Total10Total
Modic type I1143650184250
088413 74014 624061914 00514 624
Total89813 77614 674Total62714 04714 674
Fatty lesions (Canada–Denmark)
10Total10Total
Modic type II1926351112435
0314 64614 6390314 64614 639
Total1214 66214 674Total1414 66014 674
Non-corner erosions (Canada–Denmark)
10Total10Total
Schmorls nodes19856865115850865
02113 78813 80902313 78613 809
Total3014 64414 674Total3814 63614 674
Radiographs
Syndesmophytes (mSASSS)
10Total10Total
Osteophytes105151105151
057600760507275337605
Total576517656Total7275847656
  • mSASSS, modified Stoke Ankylosing Spondyloarthritis Syndesmophyte Score (assessed on radiograph); SpA, spondyloarthritis; 1, present; 0, absent.