Degenerative reading | SpA reader 1 | SpA reader 2 | ||||||
MRI | ||||||||
Bone marrow oedema lesions (Berlin criteria) | ||||||||
1 | 0 | Total | 1 | 0 | Total | |||
Modic type I | 1 | 14 | 36 | 50 | 1 | 8 | 42 | 50 |
0 | 884 | 13 740 | 14 624 | 0 | 619 | 14 005 | 14 624 | |
Total | 898 | 13 776 | 14 674 | Total | 627 | 14 047 | 14 674 | |
Fatty lesions (Canada–Denmark) | ||||||||
1 | 0 | Total | 1 | 0 | Total | |||
Modic type II | 1 | 9 | 26 | 35 | 1 | 11 | 24 | 35 |
0 | 3 | 14 646 | 14 639 | 0 | 3 | 14 646 | 14 639 | |
Total | 12 | 14 662 | 14 674 | Total | 14 | 14 660 | 14 674 | |
Non-corner erosions (Canada–Denmark) | ||||||||
1 | 0 | Total | 1 | 0 | Total | |||
Schmorls nodes | 1 | 9 | 856 | 865 | 1 | 15 | 850 | 865 |
0 | 21 | 13 788 | 13 809 | 0 | 23 | 13 786 | 13 809 | |
Total | 30 | 14 644 | 14 674 | Total | 38 | 14 636 | 14 674 | |
Radiographs | ||||||||
Syndesmophytes (mSASSS) | ||||||||
1 | 0 | Total | 1 | 0 | Total | |||
Osteophytes | 1 | 0 | 51 | 51 | 1 | 0 | 51 | 51 |
0 | 5 | 7600 | 7605 | 0 | 72 | 7533 | 7605 | |
Total | 5 | 7651 | 7656 | Total | 72 | 7584 | 7656 |
mSASSS, modified Stoke Ankylosing Spondyloarthritis Syndesmophyte Score (assessed on radiograph); SpA, spondyloarthritis; 1, present; 0, absent.