Table 4

Multivariate logistic regression analysis of factors associated with the presence of early rheumatoid arthritis

Odds ratio

95% confidence interval (β)

P value

Antibodies against oxidized low-density lipoprotein in the lag phase

0.431

0.023–7.945

Not significant

Antibodies against oxidized low-density lipoprotein in the propagation phase

0.155

0.010–2.295

Not significant

Antibodies against oxidized low-density lipoprotein in the decomposition phase

0.047

0.008–0.282

0.001

Plasma lipoprotein phospholipase A₂ activity

1.044

1.013–1.077

0.006

The model includes antibodies against oxidized low-density lipoprotein in the lag phase, the propagation phase and the decomposition phase, and plasma lipoprotein phospholipase A₂ activity as defined from univariate analysis after adjustment for age and female gender.

Lourida et al. Arthritis Research & Therapy 2007 9:R19   doi:10.1186/ar2129