Table 2.
Association between mSASSS and SCORE adjusting for age, smoking status, CRP, NSAIDs intake and disease duration.
| Crude model | Adjusted for age and smoking | Adjusted for age, smoking and elevated CRP* | Adjusted for age, smoking, elevated CRP* and NSAIDs intake | Adjusted for disease duration, smoking, elevated CRP* and NSAIDs intake | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| β coefficient (95% CI) | p value | β coefficient (95% CI) | p value | β coefficient (95% CI) | p value | β coefficient (95% CI) | p value | β coefficient (95% CI) | p value | |
| Total mSASSS | 0.27 (0.18–0.36) | <0.001 | 0.11 (0.03–0.20) | 0.007 | 0.17 (0.05–0.29) | 0.009 | 0.16 (0.03–0.28) | 0.018 | 0.24 (0.10–0.38) | 0.001 |
| Cervical mSASSS | 0.53 (0.35–0.70) | <0.001 | 0.24 (0.08–0.39) | 0.003 | 0.31 (0.07–0.53) | 0.012 | 0.29 (0.05–0.53) | 0.022 | 0.42 (0.14–0.71) | 0.006 |
| Lumbar mSASSS | 0.44 (0.28–0.61) | <0.001 | 0.16 (0.18–0.31) | 0.030 | 0.25 (0.06–0.45) | 0.014 | 0.24 (0.04–0.45) | 0.024 | 0.39 (0.16–0.61) | 0.002 |
*
Elevated CRP at more than 50% of the time-points during 5 years.
CI, confidence interval; CRP, C-reactive protein; mSASSS, modified Stoke ankylosing spondylitis spinal score; NSAIDs, non-steroidal anti-inflammatory drugs.