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