CRP and rheumatoid arthritis: According to this analysis, RA patients with CRP ≥ 3 mg/L, considered high risk for CVD, had a higher hydroxylation ratio (CRP < 3 mg/L = 1.12 pg/ng vs. CRP ≥ 3 mg/L = 1.88 pg/ng; p = 0.003) and higher calcitriol serum levels (CRP < 3 mg/L = 33.93 pg/mL vs. CRP > 3 mg/L = 47.1 pg/mL; p < 0.01) than RA patients with CRP levels lower than 3 mg/L, considered low risk for CVD (Figure 3a,b).