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Table 3 Status and change scores of the components of the mSASSS and the extended mSASSS

From: Incorporation of the anteroposterior lumbar radiographs in the modified Stoke Ankylosing Spondylitis Spine Score improves detection of radiographic spinal progression in axial spondyloarthritis

 

Cervical spine lateral view

Lumbar spine lateral view

Lumbar spine AP view

Change score ≥ 2 points after 2 years, n (%)

29 (13.8)

18 (8.6)

25 (11.9)

Total number of syndesmophytes at baseline, mean ± SD

0.5 ± 1.6

0.4 ± 1.5

1.0 ± 3.0

Total number of syndesmophytes at year 2, mean ± SD

0.6 ± 1.7

0.6 ± 1.8

1.1 ± 3.3

Development of new syndesmophytes after 2 years, n (%)

8 (3.8)

8 (3.8)

9 (4.4)

Development of new/growth of existing syndesmophytes after 2 years, n (%)

8 (3.8)

10 (4.8)

10 (4.8)

  1. mSASSS includes scores of the cervical and lumbar lateral views; extended mSASSS includes additionally the lumbar spine AP view
  2. AP anteroposterior, mSASSS modified Stoke Ankylosing Spondylitis Spine Score, SD standard deviation