Longitudinal relationship between disease activity measures and trabecular bone score.
| β | 95% CI | QIC | p | |
|---|---|---|---|---|
| BASDAI (0–10 scale) | −0.001 | −0.006, 0.308 | 41.5 | 0.579 |
| ASDAS-ESR | −0.013 | −0.023, −0.003 | 41.6 | 0.014 |
| ASDAS-CRP | −0.011 | −0.020, −0.002 | 41.7 | 0.017 |
| ESR, mm/h | −0.001 | −0.002, −0.001 | 40.7 | < 0.001 |
| CRP, mg/l | −0.001 | −0.002, 0.000 | 41.2 | 0.003 |
QIC: quasi-likelihood under the independence model criterion; BASDAI: Bath Ankylosing Spondylitis Disease Activity Index; ASDAS: Ankylosing Spondylitis Disease Activity Score; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein.