Baseline predictors of radiographic progression after 5 years
| Coefficient | CI | p Value | |
|---|---|---|---|
| All explanatory variables in the model | |||
| (Intercept) | −1.90 | −8.94 to 5.13 | 0.60 |
| Gender (male) | −0.13 | −3.09 to 2.84 | 0.93 |
| Age (per year) | 0.08 | −0.04 to 0.19 | 0.20 |
| DAS28 (per unit) | −0.07 | −1.20 to 1.05 | 0.90 |
| Anti-CCP (if positive) | 3.00 | 0.33 to 5.68 | 0.03 |
| MRI erosion score (per unit) | 0.13 | −0.82 to 1.07 | 0.79 |
| MRI synovitis score (per unit) | −0.29 | −0.91 to 0.33 | 0.36 |
| MRI bone oedema score (per unit) | 0.83 | 0.45 to 1.22 | <0.001 |
| TSS (per unit) | 0.24 | 0.03 to 0.45 | 0.025 |
| Only significant variables in the model | |||
| (Intercept) | 0.16 | −2.02 to 2.35 | 0.88 |
| MRI bone oedema score (per unit) | 0.82 | 0.50 to 1.13 | <0.001 |
| Anti-CCP (if positive) | 3.01 | 0.37 to 5.65 | 0.03 |
| TSS (per unit) | 0.27 | 0.07 to 0.46 | 0.008 |
Initial and final model of multiple linear regression analysis with backward selection.
Anti-CCP, antibodies against cyclic citrullinated peptide (dichotomised value); DAS28, disease activity score based on 28 joint count; ESR, erythrocyte sedimentation rate and 4 variables; TSS, total Sharp score (van der Heijde modification).