Table 3

Association of MRI-detected inflamed joint tissues scores with severity of walking disabilities in ACPA-positive and ACPA-negative RA patients

Univariable
OR (95% CI)
P value
ACPA-positive
 Synovitis1.1 (1.0 to 1.3)0.16
 Tenosynovitis1.3 (1.0 to 1.6)0.02
 Osteitis1.1 (1.0 to 1.1)0.13
 IMB lesions1.3 (0.9 to 1.7)0.15
ACPA-negative
 Synovitis1.0 (0.9 to 1.2)0.61
 Tenosynovitis1.1 (1.0 to 1.3)0.054
 Osteitis1.1 (0.9 to 1.3)0.46
 IMB lesions1.0 (0.8 to 1.3)0.88
  • ORs were calculated using ordinal logistic regression and represented the severity of walking disabilities as dependent variable.

  • ACPA, anti-cyclic peptide antibodies; IMB, intermetatarsal bursitis; RA, rheumatoid arthritis.