Table 5.
Status and progression mSASSS and RASSS scores for radiographs in which RASSS was evaluable.
| All radiographs with RASSS evaluable (n = 629) | All radiographs with RASSS evaluable and from patients with RASSS available at year 12 (n = 277) |
All radiographs with four additional thoracic VCs available (n = 226) | All baseline radiographs with RASSS evaluable from patients with baseline-year 2 interval evaluable (n = 134) | |||||
|---|---|---|---|---|---|---|---|---|
| STATUS SCORES | mSASSS | RASSS | mSASSS | RASSS | mSASSS | RASSS | mSASSS | RASSS |
| Total Score | 15.5 (17.9) | 18.0 (20.9) | 18.0 (19.3) | 20.8 (22.4) | 17.3 (18.2) | 20.5 (21.4) | 10.2 (14.2) | 11.8 (16.6) |
| Cervical segment | 8.4 (10.1) | 7.9 (10.1) | 10.0 (10.7) | 9.5 (10.7) | 8.9 (10.0) | 8.3 (10.0) | 5.5 (8.2) | 5.2 (8.1) |
| Lumbar segment | 7.1 (9.8) | 7.1 (9.8) | 8.0 (10.0) | 8.0 (9.9) | 8.4 (10.2) | 8.4 (10.2) | 4.6 (7.9) | 4.6 (7.9) |
| Lumbar segment (with thoracic segment included) | - | 10.1 (13.1) | - | 11.4 (13.2) | - | 12.2 (13.7) | - | 6.6 (10.7) |
| Thoracic segment | - | 3.0 (3.9) | - | 3.4 (3.8) | - | 3.8 (4.4) | - | 2.0 (3.4) |
| 2-YEAR PROGRESSION SCORES | All radiographs with 2-year RASSS intervals evaluable (n = 330) | All radiographs with RASSS evaluable and from patients with RASSS available at year 12 and with 2-year RASSS intervals evaluable (n = 159) | All radiographs with four additional VCs available and 2-year RASSS intervals evaluable (n = 64) | All radiographs with RASSS evaluable from patients with baseline-year 2 interval evaluable (n = 96) | ||||
| Total Score | 2.0 (3.6) | 2.4 (4.4) | 2.4 (4.5) | 2.9 (5.5) | 2.1 (3.3) | 2.8 (4.2) | 1.9 (4.1) | 2.2 (5.0) |
| Cervical segment | 1.2 (2.2) | 1.2 (2.3) | 1.5 (2.6) | 1.4 (2.9) | 1.2 (2.0) | 1.1 (1.9) | 1.0 (2.6) | 0.9 (2.9) |
| Lumbar segment | 0.8 (2.0) | 0.8 (2.1) | 1.0 (2.4) | 1.0 (2.4) | 0.9 (2.2) | 0.9 (2.2) | 0.9 (2.2) | 0.9 (2.2) |
| Lumbar segment (with thoracic segment included) | - | 1.2 (2.8) | - | 1.5 (3.3) | - | 1.6 (3.3) | - | 1.3 (3.1) |
| Thoracic segment | - | 0.4 (1.2) | - | 0.5 (1.2) | - | 0.7 (1.7) | - | 0.4 (1.4) |
*Data are expressed as mean (SD). mSASSS, modified Stoke Ankylosing Spondylitis Spine Score; RASSS, radiographic Ankylosing Spondylitis Spinal Score; SD, standard deviation, VC, vertebral corner.