Predictive Factor | OR (95% CI) | p |
---|---|---|
RF low titer* | 0.72 (0.37; 1.40) | 0.336 |
RF high titer# | 1.11 (0.63; 1.96) | 0.727 |
Anti-CCP, low titer* | 2.05 (0.90; 4.70) | 0.088 |
Anti-CCP, high titer# | 4.67 (2.66; 8.21) | <0.001 |
DAS28, > 5.1 | 0.72 (0.48; 1.08) | 0.113 |
Age, > median: 50 yrs | 1.86 (1.28; 2.73) | 0.001 |
ESR, > 28 mm/h | 1.90 (1.27; 2.84) | 0.002 |
↵* Titer between 1- and 3-fold the upper limit of normal;
↵# titer > 3-fold the upper limit of normal. mTSS: van der Heijde-modified total Sharp score; RF: rheumatoid factor; anti-CCP: anticyclic citrullinated peptide antibodies; DAS28: 28-joint Disease Activity Score; ESR: erythrocyte sedimentation rate.