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Table 1 Radiographic sacroiliitis (given as grade 0-4) and spinal radiographic changes given as the number of lesions in the 14 men with moderate to severe radiographic sacroiliitis respectively

From: The prevalence of moderate to severe radiographic sacroiliitis and the correlation with health status in elderly Swedish men – The MrOS study

Patient nr

Sacroiliitis grade

Syndesmophytes

Bridges-AS

Spondylophytes

Bridges-degenerative

1

Grade 3 bilaterally

0

1

2

2

2#

Grade 3 bilaterally

1

1

4

7

3

Grade 3 bilaterally

0

4

0

0

4

Grade 4 bilaterally

10

8

2

1

5

Grade 4 bilaterally

0

14

2

0

6

Grade 2 R /Grade 3 L

5

5

8

0

7

Grade 3 bilaterally

0

9

10

0

8

Grade 3 bilaterally

0

0

8

1

9

Grade 4 bilaterally

4

5

1

0

10

Grade 3 bilaterally

0

0

8

0

11#

Grade 4 R /Grade 3 L

0

0

17

6

12

Grade 3 bilaterally

0

0

7

4

13

Grade 4 bilaterally

1

8

0

0

14

Grade 4 bilaterally

0

7

11

1

  1. *The number of AS-related changes (syndesmophytes and bridges) and degenerative changes (spondylophytes and bridges) in the spinal radiographs in those with radiographic sacroiliitis, as defined by the 45° rule. R: Right, L: Left.
  2. #Cases with spinal changes resembling DISH (a. flowing ossification extending over 4 contiguous vertebrae, b. relative preservation of intervertebral disc height in relation to age).