Functional score (BASFI) and spinal mobility in work-disabled (WD+) and non-work-disabled (WD–) patients with ankylosing spondylitis (mean values).
| All Patients | WD+ | WD– | p | |
|---|---|---|---|---|
| BASFI (100 mm VAS) | 3.5 | 4.3 | 2.9 | < 0.001 |
| Modified Schober, cm | 3.5 | 3.2 | 3.7 | 0.004 |
| Occiput-wall distance, cm | 3.3 | 4.7 | 2.1 | < 0.001 |
| Finger-to-floor distance, cm | 16.2 | 19.2 | 13.8 | < 0.001 |
| Chest expansion, cm | 4.5 | 3.8 | 5.0 | < 0.001 |
| Forward spinal flexion, degrees | 36.8 | 34.1 | 38.8 | 0.008 |
BASFI: Bath Ankylosing Spondylitis Functional Index; VAS: visual analog scale.