Table 5.
Determinants of rapid radiographic progression of RA for patients with early RA who received DMARDs (multivariate analysis).
| Estimate | Standard Error | z value | P value | |
|---|---|---|---|---|
| Swollen joint count 14 to 20 | 0.27 | 0.53 | 0.52 | 0.60 |
| Swollen joint count ≥ 20 | 1.25 | 0.68 | 1.84 | 0.06 |
| CRP 4 to 35 mg/L | 0.83 | 0.57 | 1.45 | 0.15 |
| CRP ≥ 35 mg/L | 0.86 | 0.63 | 1.36 | 0.17 |
| ACPA status | 1.11 | 0.40 | 2.75 | 0.006 |
| Typical RA erosion | 1.31 | 0.63 | 3.53 | 0.0004 |
| Intercept | -3.94 | 0.58 | -6.74 | 1.62e-11 |
ACPA, anti-citrullinated protein antibody; CRP, C-reactive protein; DMARD, disease-modifying anti-rheumatic drugs; RA, rheumatoid arthritis