Variables | Anti-CCP Ab+ (n = 54) | Anti-CCP Ab− (n = 26) | p Value |
---|---|---|---|
Data are mean (SD) unless stated otherwise. The proportion of patients with bone marrow oedema was significantly higher in the anti-CCP Ab+ group than in the anti-CCP Ab- group: *by Mann-Whitney U test; †by χ2 test. | |||
CRP (mg/ml) | 1.3 (2.0) | 2.2 (3.3) | 0.39* |
MMP-3 (%) | 50.0 | 38.5 | 0.33† |
Number of joints with synovitis | 12.2 (6.4) | 10.3 (6.4) | 0.30* |
Mean E-rate of 30 joints | 7.7 (3.0) | 7.4 (2.9) | 0.67* |
Bone marrow oedema | |||
% | 64.8 | 38.5 | 0.03† |
No | 2.8 (3.5) | 1.1 (2.3) | 0.01* |