Table 1 |
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Description of the mSASSS and RASSS scoring systems. |
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|
mSASSS |
RASSS |
|
|
|
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Spinal segments assessed |
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|
- Cervical spine |
Lower border of C2 to upper border of T1 |
Lower border of C2 to upper border of T1 |
|
- Thoracic spine |
Not included |
Lower border of T10 to upper border of T12 |
|
- Lumbar spine |
Lower border of T12 to upper border of S1 |
Lower border of T12 to upper border of S1 |
|
Range of scoring system |
0-72 |
0-84 |
|
Scoring definitions |
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|
- 0 |
No change |
No change |
|
- 1 |
Erosion, squaring, sclerosis |
Squaring only for the thoracic and lumbar segments; no erosions scored; sclerosis scores for all VCs |
|
- 2 |
Syndesmophytes |
Syndesmophytes |
|
- 3 |
Bridging syndesmophytes/ankylosis |
Bridging syndesmophytes/ankylosis |
|
|
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mSASSS, modified Stoke Ankylosing Spondylitis Spine Score; RASSS, radiographic Ankylosing Spondylitis Spinal Score; C, cervical; T, thoracic; S, sacral. |
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Ramiro et al. Arthritis Research & Therapy 2013 15:R14 doi:10.1186/ar4144 |
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