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Table 4 Feasibility of the RASSS - availability of the four thoracic vertebral corners added to the RASSS.

From: Scoring radiographic progression in ankylosing spondylitis: should we use the modified Stoke Ankylosing Spondylitis Spine Score (mSASSS) or the Radiographic Ankylosing Spondylitis Spinal Score (RASSS)?

Availability of the four VCs added in the RASSS

All radiographs with RASSS evaluable

(n= 629)*

All radiographs from patients with RASSS available at year 12

(n= 341)*

All baseline radiographs from patients with baseline - year 2 RASSS interval available

(n= 134)*

 

N

%

N

%

n

%

   - 1 VC only

65

10%

28

10%

18

13%

   - 2 VCs

297

47%

139

50%

71

53%

   - 3 VCs

41

7%

18

7%

11

8%

   - 4 VCs

226

36%

92

33%

34

25%

  1. *n = number of radiographs. mSASSS, modified Stoke Ankylosing Spondylitis Spine Score; RASSS, radiographic Ankylosing Spondylitis Spinal Score; VC, vertebral corner.
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Arthritis Research & Therapy

ISSN: 1478-6362

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