CRP and infection: We also observed that serum hypoalbumin (OR = 0.98, 95%CI 0.97–0.99), high counts of WBC (especially, neutrophils, OR = 1.04, 95%CI 1.00–1.08), and high levels of serum CRP (OR = 1.03, 95%CI 1.01–1.04) were associated with increased risk for infection in RA patients.