CRP and rheumatoid arthritis: The CRP results based on blood tests (in Table 1) revealed a lower inflammation level in the OA [0.0 (0.0–0.13)] and RA treated with bDMARDs [0.05 (0.0–0.4)] groups than the RA without bDMARDs treatment [0.2 (0.0–1.7)] group.