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.

Ramiro et al. Arthritis Research & Therapy 2013 15:R14   doi:10.1186/ar4144

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