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

Fautrel et al. Arthritis Research & Therapy 2012 14:R249   doi:10.1186/ar4092