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Table 5 Determinants of rapid radiographic progression of RA for patients with early RA who received DMARDs (multivariate analysis).

From: Matrix to predict rapid radiographic progression of early rheumatoid arthritis patients from the community treated with methotrexate or leflunomide: results from the ESPOIR cohort

  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
  1. ACPA, anti-citrullinated protein antibody; CRP, C-reactive protein; DMARD, disease-modifying anti-rheumatic drugs; RA, rheumatoid arthritis