Multivariate regression of disease-state on the score variables derived from the successful models showing strong or moderate association with rheumatoid arthritis (comparing RA vs. CTR).

Pathway 1: B-cell Receptor Signaling Pathway.Pathway 2: Chemokine Signaling Pathway.Pathway 3: Complement and Coagulation Cascades Pathway.Pathway 4: Cytokine -Cytokine Receptor Interaction Pathway.Pathway 5: Fc Gamma R-mediated Phagocytosis Pathway.Pathway 6: Intestinal Immune Network for IgA Production Pathway.Pathway 7: Leukocyte Trans-endothelial Migration Pathway.Pathway 8: Natural Killer Cell Mediated Cytotoxicity Pathway.Pathway 9: T-cell Receptor Signaling Pathway.Pathway 10: Toll-like Receptor Signaling Pathway.