Spinal mobility and radiological damage in patients with axial involvement from the RESPONDIA Group. All variables were adjusted for disease duration.
| Variables | AS, n = 1072 | Psoriatic Spondylitis, n = 147 | IBD Spondylitis, n = 45 | ANOVA p |
|---|---|---|---|---|
| Schober test, cm, mean ± SD | 2.7 ± 2 | 3.8 ± 1.8 | 3.9 ± 2.1 | 0.001 |
| Occiput-to-wall, cm, mean ± SD | 6.5 ± 7.6 | 2.9 ± 5.2 | 3.8 ± 6.7 | 0.001 |
| Finger-to-floor, cm, mean ± SD | 28.2 ± 20 | 20 ± 20 | 21 ± 19 | 0.001 |
| BASRI-total, mean ± SD | 8.2 ± 4 | 6.1 ± 4 | 5.6 ± 4.4 | 0.001 |
| BASRI-spine, mean ± SD | 7 ± 3.2 | 5.2 ± 3.1 | 4.8 ± 3.7 | 0.001 |
BASRI: Bath Ankylosing Spondylitis Radiographic Index; other definitions given in Table 1.