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

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

ISSN: 1478-6362